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Heston Kjerstad

Orioles Designate Emmanuel Rivera For Assignment, Option Heston Kjerstad

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The Orioles announced a number of roster moves today. Outfielder Cedric Mullins and infielder Jordan Westburg have both been reinstated from the 10-day injured list. In corresponding moves, the club has optioned outfielder Heston Kjerstad and designated infielder Emmanuel Rivera for assignment. The O’s also announced that outfielder Jordyn Adams, who was designated for assignment last week, has been sent outright to Triple-A Norfolk. The 40-man roster count drops to 38.

Kjerstad, 26, was the No. 2 overall pick back in 2020, though that selection represented a bit of draft-day creativity; he was generally viewed as a mid-first-round talent but signed with the O’s on an underslot deal at No. 2 overall, leaving Baltimore some extra money to pursue over-slot bonuses with others further down the line — the aforementioned Westburg and top prospect Coby Mayo among them.

The Orioles have given Kjerstad looks in each of the past three seasons now, but the 2025 campaign is the first where he’s been given a real run at anything close to regular playing time. It didn’t go well. Despite being largely shielded from left-handed pitching, the lefty-swinging Kjerstad hit just .192/.240/.327 with four homers, a 3.6% walk rate and a 26.9% strikeout rate in 167 turns at the plate. He’s improved his overall contact rate relative to 2023-24, but he’s chasing off the plate at borderline egregious levels (38.4% chase rate) and still swinging through pitches too often.

Kjerstad finds himself at something of a crossroads with the Orioles. He’ll still have one more minor league option remaining beyond the current season, but he’s now struggled to establish himself in three separate seasons. Colton Cowser is locked into one outfield spot long-term. Tyler O’Neill has an opt-out clause in his three-year contract that he does not presently appear likely to take (although a big finish to the season can always change that). Mullins is a free agent at season’s end, as is Ryan O’Hearn, which could open some outfield/designated hitter playing time. However, the O’s have prospects like Enrique Bradfield Jr., Jud Fabian, Vance Honeycutt and Dylan Beavers rising through the system — any of whom could also factor into those competitions for playing time.

It’s arguable that Kjerstad hasn’t really gotten a fair audition. He’s totaled 314 MLB plate appearances across three seasons and always been either platooned or had the specter of someone returning from the IL to take his spot and push him back to Triple-A Norfolk.

Other clubs might have given him a more traditional everyday opportunity, but the Orioles tend to prioritize matchups more than most and have frequently brought in veteran outfielders who’ve cut into Kjerstad’s potential playing time (e.g. O’Neill, Ramon Laureano, Dylan Carlson, Eloy Jimenez, Austin Slater). They make no secret about their endeavors to stockpile as much depth as possible, which positions them well for injuries but also results in scattershot opportunities for young players like Kjerstad, Mayo and since-traded prospects like Kyle Stowers, Connor Norby and Joey Ortiz.

For now, Kjerstad will head to Norfolk and look to get his swing back on track. However, he has little left to prove against Triple-A pitching. Kjerstad has played 132 games there, taken 591 plate appearances, and mashed at a .299/.382/.541 clip.

As for Rivera, he originally came to the O’s as one of those previously mentioned depth grabs. Baltimore claimed him off waivers last August, enjoyed a productive run of 27 games down the stretch, and tendered him a $1MM contract over the winter. Rivera never seemed likely to replicate the .364 average on balls in play or 22.2% homer-to-fly-ball ratio he logged with the O’s in 2024, however, and his offense has plummeted back down to his career norms in 2025. He’s taken 76 plate appearances and batted .232/.303/.275 — not far off his lifetime .243/.306/.363 slash in the majors.

The 28-year-old Rivera’s hard-contact numbers completely eroded this season. He’s a surehanded defender at the hot corner and has also played some first base in the majors. However, he’s out of minor league options, so the O’s couldn’t simply send him down. He’ll first need to clear waivers. Given his lack of track record and options, he could well pass through unclaimed, though he’s affordable enough that a team seeking short-term help at the hot corner could look to him as a stopgap between now and the trade deadline.

MLB rules stipulate that a player can be in DFA limbo for a maximum of one week, and waivers are a 48-hour process, so Rivera will be traded or placed on waivers within the next five days. If he clears, he’ll presumably accept a minor league assignment, as he did when the O’s passed him through waivers earlier this spring. Rejecting in favor of free agency would mean forfeiting the remainder of his $1MM guarantee, as Rivera does not have the five years of service needed to reject an outright assignment and retain his guaranteed salary.

What Will The Orioles Outfield Look Like In 2025?

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The Orioles ran out the same three outfielders each Opening Day between 2021 and ’24: Cedric Mullins, Anthony Santander, and Austin Hays. And in each year from 2020-23, Mullins, Santander, and Hays were Baltimore’s three primary outfielders. This past season, however, Colton Cowser broke out with a phenomenal rookie campaign, cementing his position in the outfield at Camden Yards for years to come. Facing a logjam in the lineup, the Orioles dealt Hays to the Phillies ahead of the trade deadline, officially splitting up the Mullins/Santander/Hays triumvirate. Santander could be next to leave; after the conclusion of the World Series, he will become a free agent. Thus, for the first time in a long time, the Orioles’ outfield could look quite different on Opening Day 2025.

There is no doubt that Cowser will have a job in the Orioles’ outfield next season. Not only did he hit 24 home runs with a 120 wRC+ in 2024, but he did so while playing strong defense. The 24-year-old compiled 11 OAA and 3 DRS over 809 2/3 innings in left field, 310 innings in center, and 73 innings in right. He made just one error all year. Cowser is under team control through at least the 2029 season, and he will not be eligible for arbitration until at least 2027.

Mullins should be a lock for the 2025 outfield as well, although the Orioles will have to tender him a contract as he enters his final year of arbitration eligibility. Matt Swartz’s model estimates Mullins would earn approximately $8.7MM next year, a $2.375MM raise from his $6.325MM salary this season. That’s a bargain for a player like Mullins, even with his 2021 All-Star campaign getting smaller and smaller in the rearview mirror. He has been roughly league-average at the plate over the past two seasons  (102 wRC+) while providing plenty of value on the bases (51-for-60 in stolen base attempts) and playing a premium defensive position. Different metrics disagree about his talents in center field, but ultimately, the versions of WAR at both FanGraphs and Baseball Reference agree he has been a valuable contributor. From 2023-24, Mullins compiled 4.2 fWAR and 5.3 bWAR. There’s a chance the Orioles would consider moving Mullins to a corner and giving Cowser the center field job; including college and the minors, Cowser has more experience in center field than any other position. Mullins and his league-average bat would be less valuable in a corner spot, but a $8.7MM salary would still be a team-friendly price for his services.

As for the final spot in the outfield, plenty of fans would love to see Santander back next season (and for several more to come), but it’s unclear how intently the Orioles will pursue the All-Star slugger in free agency. They will surely make him the qualifying offer, and he just as will surely decline. He is likely seeking a multi-year deal worth at least $20MM per season. General manager Mile Elias is hoping to increase payroll this winter in his first full offseason working under new owner David Rubenstein, but it’s unclear how much money he’ll have to work with. More to the point, Elias might prfer to spend the majority of his resources improving a pitching staff that finished 14th in MLB in ERA and 10th in FanGraphs WAR rather than an offense that finished fourth in runs scored and third in wRC+. Santander will be a big loss for the offense, but ace Corbin Burnes, another impending free agent, will be an even bigger departure for Elias to address. With all that said, the Orioles might stick with their internal options to replace Santander in 2025.

Baltimore would love for 25-year-old Heston Kjerstad to step up and fill that role. The lefty batter put up ludicrous numbers in the minors this past season, batting .300 with a .998 OPS and 152 wRC+ in 56 games at Triple-A. His big league numbers (.745 OPS, 116 wRC+ in 39 games) weren’t bad, especially not for a rookie, but some of the underlying metrics suggest he’s due for regression (.301 xwOBA compared to a .327 wOBA), and his 28.9% strikeout rate was concerningly high for a hitter who wasn’t showing off plus power or plate discipline. Moreover, his outfield defense wasn’t particularly impressive in a small sample size (-1 DRS, -1 FRV). Kjerstad has the tools to be a terrific player, but he’ll to take a step forward at the plate if he’s going to provide above-average value as a defensively-limited corner outfielder.

Another option to play some corner outfield for the Orioles next year could be Coby Mayo, who is currently the team’s top prospect according to Baseball America and MLB Pipeline. Throughout his brief professional career, Mayo has mostly played third base. Aside from his strong arm, however, he has never graded out as a top-notch defender at the hot corner. So, with Gunnar Henderson and Jordan Westburg already entrenched in the Orioles’ infield and Jackson Holliday not going anywhere, Mayo’s future might need to be somewhere else. He has experience playing first base as well, and that could be his long-term position. But considering his terrific throwing arm, it makes sense that he would give the outfield a try. To that point, Elias recently suggested right field could be an option for the 22-year-old, though he made it clear the organization still views him as an infielder, and primarily a first baseman, going forward (per Rich Dubroff of Baltimore Baseball).

Two more internal options to keep in mind are prospects Dylan Beavers and Enrique Bradfield Jr. Beavers, 23, is the team’s No. 5 prospect according to FanGraphs, No. 6 according to MLB Pipeline, and No. 7 according to Baseball America. He hit well enough at Double-A in 2024 (15 HR, 118 wRC+ in 119 games) to earn a brief promotion to Triple-A at the end of the season. He’s also a plus runner with the potential to be a capable big league center fielder. Bradfield, 22, is a few months younger and a little further away from the majors; he moved up from High-A to Double-A this past August. However, most sources agree he is the slightly more promising prospect. FanGraphs and MLB Pipeline have him at No. 4, while Baseball America has him at No. 6. He boasts 80-grade speed and has the skills to be an elite defensive center fielder. As for his bat, he has little power to speak of, so he’ll need to prove he can maintain his impressive bat-to-ball skills against tougher competition. Neither Beavers nor Bradfield needs protection from the Rule 5 draft this offseason, and neither is a likely candidate to make the Opening Day roster out of camp. However, their relative proximity to the majors could be a reason why the Orioles avoid signing a free agent outfielder to a multi-year deal.

Finally, the Orioles will have to decide whether or not to pick up Ryan O’Hearn’s $8MM club option for 2025. O’Hearn is primarily a first baseman and DH, but he played 27 games in the outfield last season. The 31-year-old slashed .264/.334/.427 with 15 home runs and a 119 wRC+ in 2024, good for 1.7 fWAR. If he can repeat that performance next season, an $8MM salary would be more than fair, but with Kjerstad and Mayo in need of playing time, the Orioles might prefer to spend that $8MM elsewhere.

Image courtesy of USA Today Sports.

Orioles Designate Cole Irvin, Nick Maton For Assignment

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The Orioles announced this morning that they’ve designated left-hander Cole Irvin and infielder Nick Maton for assignment. The moves open up active roster spots for outfielder Heston Kjerstad and right-hander Jacob Webb, both of whom were activated from the injured list in corresponding moves. The club’s 40-man roster now stands at 38.

Irvin, 30, is in his second season with the Orioles. The lefty was acquired from the A’s prior to the 2023 season to help provide stability at the back of Baltimore’s rotation, and while he’s struggled to keep a consistent hold on a spot in the rotation (or even on the roster) during his time with the club he has offered the Orioles a versatile depth option capable of pitching out of the rotation or bullpen as needed. In his two seasons with the club, Irvin has posted a combined 4.68 ERA with a 4.56 FIP in 184 2/3 innings of work while appearing in 49 games, 28 of which were starts. He struggled in his latest stint with the Orioles, surrendering three runs on four hits (two homers) while striking out five in four innings of work spread across two outings.

Maton, 27, has spent most of the 2024 season at Triple-A for Norfolk and while he’s hit quite well at that level with a .273/.429/.455 slash line in 86 games, his track record with the big league club has been far less impressive. Maton has made it into just five games with the Orioles as a pinch hitter this year, and has gone hitless with two strikeouts in those five at-bats. Prior to joining the Orioles, Maton excelled in a bench role for the Phillies with a .253/.330/.434 slash line in 216 plate appearances before being traded to Detroit and struggling in a larger role with the Tigers, for whom he hit just .173/.288/.305 in 93 games.

Meanwhile, Kjerstad returns to the active roster to re-enter the club’s outfield mix. The 25-year-old suffered a concussion when he was struck on the head by a pitch from right-hander Clay Holmes on July 12 and previous attempted to return just over a week later. Kjerstad hit just .111/.238/.111 in his 21 trips to the plate after returning, however, and ultimately went back on the IL on August 1 due to the issue. Overall, Kjerstad sports a strong .261/.370/.420 slash line in 81 trips to the plate at the big league level this year and should provide the club with another quality outfield option behind Cedric Mullins, Anthony Santander, and Colton Cowser over the season’s final weeks. It’s even possible that Kjerstad could make an appearance at first base, where he has 46 games of experience in the minor leagues, given deep slump since the start of August and Ryan Mountcastle’s wrist sprain.

As for Webb, the right-hander has emerged as a key piece of Baltimore’s bullpen since being claimed off waivers from the Angels last August. In 71 2/3 innings of work with the club since then, Webb has posted an excellent 3.14 ERA with 3.35 FIP and struck out 25.4% of opponents. The righty was sidelined by a bout of elbow inflammation in early August but now figures to return to the club’s late inning mix alongside Seranthony Dominguez and Yennier Cano headed into the postseason.

AL East Notes: Bichette, Kjerstad, Hendriks

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Bo Bichette is scheduled to begin a Triple-A rehab assignment beginning on Tuesday, the Blue Jays told reporters (including Sportsnet’s Shi Davidi and Arden Zwelling).  Bichette has been on the injured list since suffering a right calf strain on July 19, which was the third calf-related issue for Bichette within about a month’s time.  It wasn’t clear at the time of the placement if Bichette would be able to return before the season was over or if the Jays might just shut him down, but it looks like the shortstop should be able to make it back for at least a bit more action before the 2024 campaign wraps.

While the Jays are well out of contention, returning to the field should provide some peace of mind for Bichette about his health as he wraps up the worst season of his six-year career.  The two-time All-Star hit only .222/.275/.320 over 331 plate appearances, delivering a 69 wRC+ that was far below his previous career mark of 127.  Bichette’s turn from star to replacement-level player was one of many reasons behind the Jays’ rough season, and it has raised fresh speculation about Bichette’s long-term future in Toronto, or even if he’ll still be a Blue Jay by next Opening Day.  These questions obviously won’t be answered in the small sample size of however many MLB games Bichette is able to play in September, but returning to the Jays lineup and hitting like his old self would allow him to take something positive from an otherwise lost year.

Other updates from around the AL East…

  • The Orioles announced that Heston Kjerstad will start a rehab assignment at the team’s A-ball affiliate in Aberdeen beginning tomorrow.  Kjerstad has been on the concussion-related injury list since August 1, marking his second stint on the concussion-IL since he was hit in the head by a Clay Holmes pitch on July 12.  The good news is that Kjerstad has cleared concussion protocol and now looks ready to return to action.  Now in his second MLB season, the former top prospect has continued to show glimpses of his potential with a .261/.370/.420 slash line in 81 plate appearances with Baltimore this season, and a healthy Kjerstad could provide a nice boost for the O’s heading into the playoffs.
  • Liam Hendriks was slated to throw back-to-back outings as part of his ongoing minor rehab assignment, though the Red Sox and the reliever have pulled back on the idea since Hendriks is feeling some slight discomfort.  “There was a little bit of an issue [in the elbow], but nothing that can’t be worked out,” Hendriks told the Boston Globe’s Julian McWilliams and other reporters.  “I think I need to limit my own throwing….The muscle groups right there aren’t quite built up to withstand that just yet.  I need to kind of ease them in a little bit better.”  Hendriks and manager Alex Cora downplayed the setback, and the hope is that Hendriks will be able to make it back to the Red Sox roster before the season is over.  Hendriks hasn’t pitched in the majors since June 2023, as a Tommy John surgery in August of that year has put his career on hold.

Orioles Place Grayson Rodriguez On Injured List

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August 7: The Orioles announced today that Rodriguez has been placed on the 15-day IL with right lat/teres discomfort, retroactive to August 4. Left-hander Keegan Akin was recalled in a corresponding move. Additionally, outfielder Heston Kjerstad was placed on the IL with a concussion, retroactive to August 1. He was optioned to the minors on that date but this IL placement presumably rescinds that option.

August 6: Orioles right-hander Grayson Rodriguez was scratched from his scheduled start against the Blue Jays due to what the club later announced as “right lat/teres discomfort.” As noted by Matt Weyrich of The Baltimore Sun, Rodriguez began to warm up for his start this evening before appearing to say to pitching coach Drew French, “I don’t feel right.” Rodriguez left the field for the clubhouse after the conversation and was replaced by right-hander Albert Suarez as the game’s starter. Rodriguez is returning to Baltimore to receive further evaluations and have imaging done on his right lat, manager Brandon Hyde told reporters (including Weyrich) following the club’s loss to the Blue Jays this evening.

Details regarding the severity of Rodriguez’s discomfort are minimal, so it’s unclear at this point if the right-hander will require a trip to the IL or when he could next be expected to take the mound. After all, the righty’s discomfort will surely bring to mind his stint on IL due to shoulder inflammation earlier this year that ultimately lasted nearly three weeks. Rodriguez also has a history of lat issues, having dealt with a lat strain as a prospect back in 2022 that ultimately cost him three and a half months.

Regardless of how long Rodriguez ends up missing, the news is a worrying development for the Orioles just one week after the trade deadline as they gear up for a run at their second consecutive AL East crown and another postseason run. Injuries in the starting rotation have been frequent in Baltimore this year. The club lost three starters (Kyle Bradish, John Means, and Tyler Wells) to UCL surgery back in June and has also previously saw right-hander Dean Kremer spend time on the shelf in addition to Rodriguez’s aforementioned shoulder issue early this year. Those injury woes led the Orioles to stock up on starting pitching depth ahead of last week’s trade deadline as they swung deals to bring right-hander Zach Eflin and lefty Trevor Rogers into the fold.

While those additions helped to shore up the club’s shaky back of the rotation, losing Rodriguez for a significant period would be a deeply worrisome outcome as the 24-year-old has emerged as the club’s clear #2 starter behind ace Corbin Burnes. Rodriguez has generally pitched quite well in the sophomore season of his career with a decent 3.86 ERA in 116 2/3 innings of work across 20 starts that’s matched with even better peripheral numbers. He’s struck out 26.5% of batters faced while walking just 7.3%. That’s left him with a strong 3.67 FIP and an even better 3.60 SIERA, the latter of which is good for top 25 among all qualified starters this year and slightly better than Burnes’s own 3.71 figure.

Should Rodriguez end up missing time, it seems likely that the club would turn to Suarez to take over his spot in the rotation on a more permanent basis. The 34-year-old journeyman last appeared in the majors back in 2017 before the Orioles brought him in on a minor league deal and added him to their roster, but he’s done well in a swing role since then, with a 3.75 ERA in 15 starts including his five scoreless innings of work filling in for Rodriguez this evening. Other options to replace Rodriguez in the rotation (or Suarez in a long relief role if he returns to starting) would be youngster Cade Povich, who has struggled to a 6.27 ERA in eight starts in the majors this year, and lefty Cole Irvin, who was recently outrighted off the 40-man roster. Top pitching prospect Chayce McDermott, who made his big league debut in a spot start earlier this year, may have been a possible candidate to help fill in for Rodriguez in the majors but the club announced earlier today that he’s been placed on the minor league IL with a stress reaction in his right scapula earlier today.

Orioles Designate Cristian Pache For Assignment, Option Heston Kjerstad

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The Orioles announced a batch of roster moves today, activating three trade acquisitions. Outfielders Eloy Jiménez and Austin Slater as well as left-hander Trevor Rogers have now been added to the roster and the club also recalled infielder Liván Soto. One spot was opened by placing infielder Jordan Westburg on the 10-day injured list with a right hand fracture, a development that was reported yesterday. To open three more spots, they optioned left-hander Keegan Akin and outfielder Heston Kjerstad and designated outfielder Cristian Pache for assignment. Vinny Nittoli, who was designated for assignment last week, elected free agency rather than accept an outright assignment.

The Orioles engineered a surprising outfield shuffle in the week leading up to the deadline. It started with a notable subtraction, as Austin Hays was sent to the Phillies, bringing back reliever Seranthony Domínguez as well as Pache. The Baltimore roster is loaded with position player talent and the outfield still looked strong without Hays, consisting of Cedric Mullins, Colton Cowser, Anthony Santander and Kjerstad. Since Pache is more of a glove-first guy, he was likely ticketed for a bench role.

But in the final moments of the deadline, the O’s also acquired Jiménez from the White Sox and Slater from the Reds. Since Slater is generally considered to be a solid defender and hits lefties very well, perhaps they figured he was an upgrade on Pache for a bench outfielder role.

That would be an understandable position to take, as Pache has struggled to make an impact from the batter’s box. He was once considered one of the top 10 prospects in all of baseball during his time in Atlanta’s system since it was believed he had the ability to be an all-around contributor. While the speed and defense have been as advertised, his hitting has been abysmal. He has hit .181/.244/.274  in his first 546 major league plate appearances. He exhausted his final option season in 2022, a year in which he hit .248/.298/.389 for a 68 wRC+ at the Triple-A level.

But he has continued to find work due to his glove. In just over 1,300 innings in the outfield, he has racked up 12 Defensive Runs Saved and 16 Outs Above Average. Oakland acquired him from Atlanta as part of the Matt Olson trade but was flipped to the Phillies at the start of last year, with the Phils mostly keeping him on the bench since he is out of options and can’t be sent down to the minors without being exposed to waivers. The O’s seemed to have some interest in a similar role for him but perhaps decided to move on when Slater became available.

With the deadline now passed, the O’s won’t have the ability to trade Pache elsewhere. He will be freely available to all 29 clubs at some point in the coming days as Baltimore will have no choice but to put him on waivers. Perhaps another team will take a flier on him based on his past prospect pedigree and the solid floor provided by his glovework. Many clubs have roster openings in the wake of the deadline and could perhaps find room for him. As mentioned, he is out of options but is still in the pre-arbitration phase of his career. If he lands a roster spot somewhere, he can be retained via arbitration for three seasons after this one.

Kjerstad getting sent down is somewhat surprising in that he’s been performing well, but it’s also not surprising since it’s not the first time. This is actually going to be his third optional assignment of the year, as he was sent down just prior to Opening Day, recalled in late April and optioned again in the middle of May before being recalled again in late June. In 81 major league plate appearances, he has struck out 29.6% of the time but also drawn walks at an 11.1% rate and hit .261/.370/.420 for a wRC+ of 125.

Despite that strong performance, the club’s stockpile of talented position players has bumped him down to Norfolk yet again. It’s perhaps a bit perplexing to see him nudged out for guys like Jiménez and Slater, but the deadline was essentially the last chance to meaningfully add talent. The O’s took that chance even though it meant bumping a guy like Kjerstad into a depth role for the time being, and those new additions are likely looking at part-time roles anyway.

Slater has a .274/.364/.433 batting line and 122 wRC+ against lefties compared to a .226/.316/.334 line and 84 wRC+ against righties. Jiménez is having a rough season overall but is hitting .304/.360/.370 against southpaws this year for a wRC+ of 109. The two of them will likely be in short-side platoon roles, Jiménez helping to shield Ryan O’Hearn from lefties while Slater protects Mullins. O’Hearn has hit .259/.286/.296 for a 67 wRC+ this year with the platoon disadvantage while Mullins is at .141/.164/.211 for a wRC+ of 3.

Rather than have Kjerstad collecting dust on the bench, the O’s will have him get some regular work for the Tides again, at least until an injury changes the calculus down the line. Even if he doesn’t carve out a role with the big league club this year, he should have a better path in 2025 as Santander is slated for free agency. Jiménez has a $16.5MM club option but the O’s will probably go for the $3MM club option instead.

Orioles Place Heston Kjerstad On Seven-Day Concussion IL

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The Orioles announced that outfielder Heston Kjerstad has been placed on the seven-day injured list for concussion-related injuries.  Outfielder Kyle Stowers was called up from Triple-A Norfolk to take Kjerstad’s place on the active roster.

The injury stems from a scary incident in last night’s 4-1 Orioles loss to the Yankees, as Kjerstad was hit in the head by a Clay Holmes fastball in the bottom of the ninth.  Both benches cleared in the aftermath of the HBP, only adding to the tension between the two AL East rivals in this important series.  Kjerstad naturally left the game after being hit, and though he was initially included in today’s lineup, he was a late scratch following the pregame workouts.

Since there was some idea that Kjerstad could’ve returned to the field today, it might imply that the IL placement is precautionary in nature.  Due to the upcoming All-Star break, Kjerstad would miss only three games if is able to return after the seven-day minimum, plus Baltimore also has an off-day on July 22 if the club wanted to give him a bit of extra recovery time.  Given the fluid nature of head-related injuries, it is also possible Kjerstad could miss far beyond seven days if he has indeed suffered a concussion.

Kjerstad made his MLB debut with 13 games in 2023, and the top prospect began this season in Triple-A before being recalled to the Orioles’ roster for about a three-week stretch bridging late April to mid-May.  He received only 17 plate appearances over seven games in that first stint, but has gotten much more playing time since his last recall on June 24, and has forced his way into regular action in the O’s lineup.  Kjerstad has hit .378/.465/.676 with three homers in 43 plate appearances since June 24, seeing action as a DH and in both corner outfield slots and almost exclusively facing right-handed pitching.

The left-handed hitting Stowers could essentially fit right into Kjerstad’s role on paper, and also like Kjerstad, Stowers is another former top prospect looking for playing time within the crowded Baltimore roster.  Appearing in each of the last three MLB seasons, Stowers has hit .222/.269/.365 over 167 career PA, though those numbers are weighed down by a dismal 33-PA performance in 2023.  This year, Stowers has a more respectable .286/.278/.486 slash line in 36 PA, and he has continued to mash at Triple-A.  Strikeouts remain a flaw in Stowers’ game, but he can provide the O’s with some power potential at least until Kjerstad is back.

Orioles To Promote Heston Kjerstad

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The Orioles are set to call top prospect Heston Kjerstad back up to the majors, according to Andy Kostka of the Baltimore Banner (via X).  The corresponding move isn’t known, but MASNsports.com’s Roch Kubatko guesses the O’s might designate Nick Maton for assignment.  Maton had his contract selected earlier this week to give Baltimore some infield depth when Jordan Westberg was nursing a hip contusion, but since Westberg has kept playing with seemingly no ill effect from the contusion, Maton could be expendable.

Kjerstad made his MLB debut with 13 games in the 2023 season, and he received 17 plate appearances over seven games earlier this season when the O’s had called him up to the active roster from April 23 to May 12.  Kjerstad had a .748 OPS over 33 PA in 2023 and only a .437 OPS in his 17 PA this season, so one can’t really make any judgements based on such small and sporadic doses of playing time.

What is clear that is Kjerstad doesn’t have much less to prove at the Triple-A level.  He has hit .301/.390/.601 with 16 home runs over 255 PA for Norfolk this season, which comes on the heels of his .298/.371/.498 slash line in 334 Triple-A trips to the plate in 2023.  On just about any other team, Kjerstad would’ve already been a staple of the everyday lineup and been given a lot of time to test himself against big league pitching, but the Orioles’ unique situation creates more questions about just how often Kjerstad is going to play.

Kjerstad is a left-handed hitter who has played first base and both corner outfield slots in the minors, and he is generally considered a bat-first player more than a prime defensive option at any of his positions.  Ryan O’Hearn is another lefty bat on Baltimore’s roster with that same defensive profile, plus the O’s have Ryan Mountcastle and Anthony Santander in everyday roles at first base and right field.  Cedric Mullins and Colton Cowser (both left-handed hitters) have been splitting time in center field, with Cowser also seeing a lot of time in left field, and the right-handed hitting Austin Hays also in the mix.

When a right-handed pitcher is on the mound, therefore, the Orioles already have a pretty full set of lefty-swinging options.  It is worth noting that Cowser has struggled badly since a hot start to his season, so he might be the likeliest to lose playing time if Kjerstad is coming back to the Show.  Mullins has also started hitting better after a deep slump, so the Orioles could give Mullins more time in center field and Cowser could be become something of a clearer backup outfielder.  The issue there is that Cowser is another highly-touted young player whose development won’t be helped by mostly being a bench player in the majors, rather than getting regular time on the field.

Since the Orioles’ return to full-fledged contention has outpaced their rebuild, the team finds themselves with having almost too many good young players for too few 26-man roster spots.  Kyle Stowers, Connor Norby, and Jackson Holliday are other top prospects who have received limited playing time in the bigs this season, though in Holliday’s case, he was clearly ticketed for an everyday role but simply struggled too much to maintain a spot in the majors.  Kjerstad could force the issue by going on a tear at the plate once he’s back in the Show, though obviously that’s easier said than done for a 25-year-old player.

Orioles Claim Corbin Martin, Recall Kyle Stowers

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1:23pm: Baltimore will option top outfield prospect Heston Kjerstad to Norfolk to make room for Stowers, tweets Ghiroli.

12:50pm: The Orioles announced Monday that they’ve claimed right-hander Corbin Martin off waivers from the Brewers. He’s been optioned to Triple-A Norfolk. Baltimore’s 40-man roster had an open spot and is now at capacity. It seems as though this will be just one of multiple moves for Baltimore today, as Britt Ghiroli of The Athletic also reports that the O’s are calling up outfielder Kyle Stowers from Norfolk. The team has yet to announce that move or any corresponding transactions.

Martin, 28, was a second-round pick of the Astros in 2017 who went from Houston to Arizona as one of the headline pieces in 2019’s Zack Greinke blockbuster. His career trajectory has been impacted by injuries — Tommy John surgery most notably. Martin pitched in the big leagues in 2019, 2021 and 2022 but has just 57 2/3 MLB frames under his belt. He’s limped to a 6.71 earned run average in that time, fanning a well below-average 19% of his opponents against a weighty 13.6% walk rate.

Entering that 2019 season in which he was traded, Martin ranked 78th and 81st on the respective top-100 prospect lists published by Baseball America and MLB.com. He was touted as a high-probability mid-rotation arm, having just wrapped up a season that saw him toss 122 innings of 2.51 ERA ball with a 25.5% strikeout rate and 7.3% walk rate between High-A and Double-A. He underwent Tommy John surgery in early July and was included in the aforementioned Greinke trade just weeks later — a deal that was completed and filed just seconds before the deadline. Martin missed the entire 2020 season as a result and hasn’t looked the same in any of his post-surgery seasons.

In parts of three seasons since that ligament reconstruction, Martin has pitched to an ERA north of 6.00 in Triple-A. Hitter-friendly Pacific Coast League caveat notwithstanding, that type of performance simply doesn’t measure up to his prior promise. He was tagged for 21 runs in 16 big league innings with Arizona in 2021, posted a 6.08 ERA in 77 frames with the D-backs in 2022, and missed the entire 2023 season after suffering a torn tendon in his latissimus dorsi during spring training.

More concerning than the poor ERA marks was the evaporation of Martin’s command post-elbow surgery. The 7.3% walk rate he posted in 2018 feels like a distant memory. Martin issued a free pass to 11.4% of his opponents in 2021-22 (MLB and Triple-A combined). He walked a massive 13 of 50 opponents thus far in 2024 (26%).

All of those struggles aside, it’s not entirely surprising to see the Orioles claim Martin. Baltimore general manager Mike Elias was the Astros’ scouting director in 2017 when they selected Martin with the 56th overall pick in the draft and paid him a $1MM signing bonus. Elias is keenly familiar with Martin — both as the pitcher he was shaping up to be prior to his injuries and as a person.

As for Stowers, he’ll return to the big leagues for a third straight season. He hit fairly well in a small sample of 98 plate appearances in 2022 before floundering through a 2-for-30 stretch at the plate in the majors last season. The lefty-swinging 26-year-old is out to a .240/.315/.541 start in Norfolk this season and has already socked 11 home runs in 165 trips to the plate.

Contact remains something of an issue, as Stowers is still punching out in just shy of 27% of his plate appearances against a 7.9% walk rate. Nonetheless, he’ll add some left-handed pop to Baltimore’s outfield mix for the time being. Stowers has spent the bulk of his pro career in right field but has experience in all three spots and has spent more time in center this year (115 innings) than either right field (89) or left field (54).

Orioles Promote Heston Kjerstad

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1:15pm: The O’s have now made it official, recalling Kjerstad and optioning Bañuelos to Triple-A Norfolk.

10:50am: The Orioles are planning to call up top prospect Heston Kjerstad today, reports Jacob Calvin Meyer of the Baltimore Sun. The 25-year-old slugger is already on the 40-man roster, but Baltimore will need to make a move to get him onto the 26-man roster.

Kjerstad, the No. 2 overall pick in the 2020 MLB draft, will bolster what’s already a dominant lineup. The O’s have six more homers than any team in MLB (35) and are batting .261/.316/.464 as a club. Kjerstad should fit right in. He’s taken 102 plate appearances in Norfolk this season and already bashed 10 home runs en route to a ludicrous .349/.431/.744 batting line (189 wRC+). Those 10 big flies tie him with Houston’s Joey Loperfido for tops among all minor league players.

The Orioles placed corner outfielder Austin Hays on the injured list due to a calf strain yesterday, and Kjerstad will provide them with another option in the outfield. First baseman/designated hitter Ryan Mountcastle was also absent from last night’s lineup due to a knee issue. The team has only listed Mountcastle as day-to-day thus far, but Kjerstad — a corner outfielder and first baseman — is a natural replacement if Mountcastle needs another day or two off or even requires a trip to the injured list himself.

The O’s aren’t exactly lacking for productive options at any spot Kjerstad could fit into the lineup, but he can certainly help keep their regulars fresh and provide some thump off the bench on days he’s not starting. Colton Cowser, Cedric Mullins and Anthony Santander have all been productive in the outfield, while Mountcastle and Ryan O’Hearn have thrived as the team’s primary options at designated hitter and first base. Baltimore selected the contract of catcher David Bañuelos last night, bringing him up to the big leagues for the second time this season, but Bañuelos has a full slate of option years and can freely be sent to Norfolk if the O’s don’t want to continue carrying three catchers.

Kjerstad entered the 2024 season ranked as the game’s No. 26 prospect at FanGraphs. He landed 29th on MLB.com’s top-100, 41st at Baseball Prospectus, 42nd at Baseball America, 48th per ESPN’s Kiley McDaniel and 62nd per The Athletic’s Keith Law. Kjerstad draws praise for his plus or better raw power, his penchant for making hard contact and his above-average arm in the outfield. He’s not especially fleet of foot and is a bat-over-glove prospect, but the lefty-swinging slugger is expected to hit more than enough to be a regular in Baltimore’s lineup for years to come. For the time being, Santander’s presence impedes Kjerstad’s path to an everyday role, assuming everyone’s healthy, but Santander is a free agent following the 2024 season.

From a service time vantage point, there are still enough days left on the regular season calendar for Kjerstad to accrue a full year. He picked up 18 days in 2023, meaning he needs 154 days of MLB service in 2024 to get there. It’s possible he’ll be optioned back to Norfolk once everyone’s back to full strength, but Kjerstad’s production there was also increasingly difficult to ignore regardless. If he’s in the big leagues for good, he’ll be controllable through the 2029 season and arbitration-eligible following the 2026 campaign.

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