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Diamondbacks Place Justin Martinez On 15-Day IL, Transfer A.J. Puk To 60-Day IL

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The D-backs announced Thursday that they’ve placed closer Justin Martinez on the 15-day injured list due to right shoulder inflammation. Lefty Jose Castillo’s contract was selected from Triple-A Reno to take his spot on the active roster. Fellow southpaw A.J. Puk moves from the 15-day IL to the 60-day IL to create 40-man roster space for Castillo.

Martinez was set for an MRI this morning after experiencing an alarming velocity drop over the past week. He’s gone from averaging triple digits on his power sinker to sitting just 93.5 mph in his most recent appearance. Though the right-hander claimed he felt 100% healthy, he’ll head to the injured list with a still-vague injury designation. The D-backs will surely provide more information on his status and potential timeline later today.

This slate of injury-related moves is a brutal blow for a D-backs team that spent much of the offseason looking for established bullpen arms but wound up making generally smaller-scale moves. Martinez and Puk are the team’s two best relievers and entered the year as the favorites to work in save and high-leverage hold situations. They’re both on the shelf, and while Puk’s flexor strain won’t require surgery, today’s move to the 60-day IL only further underlines the fact that Arizona is going to be without him for quite some time.

Martinez, 23, averaged 100.2 mph on his sinker in 2024 and averaged better than 100 mph on the pitch in each of his first eight appearances this year. A dip into the 97-99 mph range over his next three outings was concerning but not necessarily cause for full-fledged alarm. Last night’s drop all the way to 93.5 mph, in an outing where he faced three hitters and allowed two walks and a home run, is another story entirely.

It’s become an ominous situation for D-backs fans to monitor, and one that’s compounded by Puk’s absence. Martinez broke out with a 2.48 ERA, 29.5% strikeout rate, 11.7% walk rate, 58.9% ground-ball rate, eight saves and seven holds across 72 2/3 innings for the Snakes last year. He clearly has some command issues, but the elite velocity coupled with plus strikeout and ground-ball rates helped to mitigate that bloated walk rate.

The D-backs, clearly bullish on Martinez’s future, signed him to a five-year, $18MM extension during spring training. The contract contains a pair of club options for the 2030-31 seasons, which would’ve been Martinez’s first two free agent years. At the time, there was little reason to fear an injury (beyond the general attrition rate of pitchers in today’s game). Now, the outlook is far hazier.

Were Puk healthy, the Diamondbacks would surely have just plugged him into the closer’s role and moved forward with Kevin Ginkel setting up. But Puk hit the injured list with elbow inflammation after a strong eight-inning start to his 2025 season, and a subsequent MRI revealed a flexor strain that’ll require a notable shutdown period.

With Martinez and Puk both shelved, the D-backs will likely turn closing duties over to a combination of Ginkel and Shelby Miller, who returned to Arizona on a minor league deal this offseason and has been outstanding after earning a job this spring. Ginkel only just returned from his own bout of shoulder inflammation, which sidelined him for the first month of the season. From 2022-24, he pitched a combined 164 2/3 innings with a 2.95 ERA, 26.1% strikeout rate and 7.9% walk rate. Miller has pitched 12 2/3 scoreless innings in his return to Phoenix, punching out a gaudy 31.9% of opponents against an 8.5% walk rate.

The 29-year-old Castillo isn’t likely to replicate the type of results that could’ve been expected from either Martinez or Puk, but he’s a reasonably experienced southpaw who’s had some prior success in the majors. Back in 2018-19, the southpaw looked to be breaking out as a viable bullpen arm for the division-rival Padres, pitching to a combined 3.23 ERA with a 35% strikeout rate and 8.4% walk rate in his first 39 big league innings.

Injuries have blown up Castillo’s career since. He suffered a torn ligament in his hand that cut his 2019 season short. A torn lat wiped out his 2020 season. He underwent Tommy John surgery in 2021 and missed most of the 2022 season as a result. It’s a staggering run of unfortunate maladies for the southpaw, but he’s shown some encouraging signs since joining the D-backs on a minor league deal last year.

In 24 innings between Arizona’s Rookie-ball and Triple-A affiliates last year, Castillo notched a 3.75 ERA. He whiffed 24.1% of his opponents and issued walks at an 8.1% clip with Triple-A Reno. This year, he’s started out by holding opponents to a run on four hits and no walks with seven strikeouts in 5 1/3 frames. Castillo has had an arduous grind to get back to the majors after pitching just two MLB frames from 2019-23. He’s now poised for his first real look in a bullpen since 2018, despite accumulating four years of MLB service time through his various stints on the 60-day injured list.

Because he only has four years of service, Castillo could be a multi-year option for Arizona if he can get back to his early career form. Enough time has already elapsed that he won’t be able to reach five years of service before the conclusion of the 2025 season. That means even if he’s back in the majors for good — and that’s far, far from certain — he can be controlled through the 2027 campaign via arbitration.

Mets Select Genesis Cabrera, Ty Adcock

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10:30am: The Mets announced that Minter and right-hander Frankie Montas have been transferred from the 15-day IL to the 60-day IL, which opens a pair of 40-man spots for Cabrera and Adcock. Montas, like Minter, is dealing with a lat strain. His occurred during spring training, however, and the team’s hope is that he can be ready to join the rotation early this summer. He’s already spent 35 days on the IL, however, and the move to the 60-day list does not reset that clock.

9:20am: The Mets announced Thursday that they’ve selected the contracts of left-handed reliever Genesis Cabrera and right-handed reliever Ty Adcock. Lefty Brandon Waddell and righty Chris Devenski were optioned to Triple-A Syracuse to clear spots on the active roster. The Mets haven’t announced corresponding 40-man moves yet but noted in their announcement that those transactions will be revealed later today. A.J. Minter and Danny Young are both facing lengthy injury absences, so they may be moved to the 60-day injured list to open those 40-man spots. Devenski has presumably agreed to be optioned since he has at least five years of major league service time. Such players can’t be optioned to the minors without their consent.

The southpaw contingent of the Mets’ bullpen has been wiped out in a span of a few days. Up until recently, they had both Minter and Young available. Minter had a 1.64 earned run average through his first 13 appearances. Young’s 4.32 ERA through 10 outings was less impressive but he had a huge 35.1% strikeout rate and 63.2% ground ball rate, as well as a solid 8.1% walk rate. His .450 batting average on balls in play and 61.5% strand rate were both on the unlucky side, which is why his 1.40 FIP and 1.75 SIERA pointed to better results going forward.

That meant manager Carlos Mendoza had a couple of strong options from the left side but that has quickly changed. Minter landed on the 15-day IL on the weekend due to a lat strain and season-ending surgery is a possibility. Young hit the 15-day IL yesterday due to an elbow sprain and he may require Tommy John surgery. So not only are the Mets going to be without Minter and Young in the short term, but maybe for the entire season.

That is surely what has brought Cabrera up to the big leagues today. The 28-year-old signed a minor league deal with the Mets in the offseason and has been pitching for their Triple-A club. He has tossed eight innings over seven appearances for Syracuse. The 7.88 ERA in that time isn’t pretty but it’s a small sample and with a miniscule 34.9% strand rate. He has struck out 35.3% of batters faced and kept balls in play on the ground at a 50% clip, though also with a 14.7% walk rate.

Lack of control is the main knock on Cabrera. He has 275 2/3 innings of major league experience with the Cardinals and Blue Jays, having walked 11.4% of batters faced in that time. He’s been able to work around that at times with strikeouts, though he’s been inconsistent in that regard.

He had a 26% strikeout rate with the Cards in 2021, allowing him to post a 3.73 ERA. But he only punched out 16% of batters in 2022, which helped bump his ERA to 4.63. He corrected a bit in 2023 with a 24.3% strikeout rate and 4.04 ERA. It was a mixed bag last year, as his ERA dropped to 3.59 but mostly via luck. His 18.5% strikeout rate and 10% walk were both subpar figures, but he had a 78.8% strand rate. His 5.13 FIP and 4.58 SIERA both point to the ERA being a mirage.

The Jays seemingly didn’t have faith in him keeping runs off the board at that pace. They could have retained him via arbitration, with MLBTR contributor Matt Swartz projecting a modest $2.5MM salary for this year, but they cut him from the roster instead. That is what led to him landing with the Mets on a minor league deal. The injuries have created a path for him to get back to the majors. He will provide the Mets with one lefty reliever for now and the club will see which version of Cabrera they get.

The club also just needs arms generally, regardless of handedness. They are in the middle of a span where they play 13 straight games. Waddell and Devenski were just called up and combined to cover 6 1/3 innings in yesterday’s game, the former logging 4 1/3 and the latter going for two frames.

They have been swapped out for both Cabrera and Adcock. The 28-year-old Adcock has a fairly limited major league track record, with 20 innings tossed between the 2023 Mariners and 2024 Mets. He has a 5.85 ERA in that time. He has a much better 1.29 ERA in seven innings for Syracuse so far in 2025. That’s obviously a small sample but he has six strikeouts to just one walk.

His overall minor league track record isn’t huge either. The canceled 2020 season and Tommy John surgery in 2021 both put a dent in his ability to get work in. He only has 64 1/3 innings of official minor league work from 2022 to 2025, with a 3.92 ERA, 25.7% strikeout rate and 9.1% walk rate. He still has an option and can be sent back to Syracuse without being exposed to waivers if the Mets want to keep him on the 40-man as depth.

Royals Select Taylor Clarke, Option Noah Cameron

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The Royals have selected the contract of righty Taylor Clarke from Triple-A Omaha and optioned lefty Noah Cameron back to Triple-A after yesterday’s MLB debut, per a team announcement. Righty James McArthur was transferred from the 15-day IL to the 60-day IL to open a spot on the 40-man roster for Clarke. McArthur has been on the IL all season while recovering from surgery to repair an olecranon fracture in his elbow — a procedure that saw two screws installed to help stabilize the joint.

Clarke, 32 in a couple weeks, pitched for Kansas City from 2022-23. That stretch marks the last time he took the mound in the big leagues. The Royals traded him to the Brewers in the 2023-24 offseason, and he spent last year with Milwaukee’s Triple-A club in Nashville, pitching to a 4.90 ERA in 68 frames.

Clarke was solid for the Royals in 2022 and struggled in 2023. He’s had something of a rollercoaster career between the D-backs and Royals, which has evened out with a 5.03 ERA, 21.4% strikeout rate and 8% walk rate in 279 1/3 innings of major league experience. The lanky 6’4″ righty returned to the Royals on a minor league contract over the winter and has enjoyed decent performances both in spring training and in Omaha. In 14 1/3 innings of Triple-A work this year, he’s logged a 4.40 ERA with a rough 15.3% strikeout rate but a respectable 8% walk rate. The vast majority of his struggles in Omaha came in one particularly rough appearance, wherein the Orioles’ Triple-A squad trounced him for four runs.

Cameron is considered to be one of the Royals’ top pitching prospects. The 2021 seventh-rounder fired 6 1/3 shutout innings during yesterday’s debut and even took a no-hitter into the seventh inning, although he did so while issuing five walks against only three strikeouts. It was a nice debut all the same, and he was rewarded with his first big league win in his first day on the job.

That was always known to be a spot start, however, so it should come as little surprise to see Cameron sent back to Omaha. He was filling in for ace Cole Ragans, who’s nursing a minor groin injury, but the Royals have (at least thus far) opted not to even place Ragans on the injured list. He’s slated take the mound for Kansas City on Sunday after being afforded some extra downtime with Cameron’s spot start. With Ragans, Seth Lugo, Michael Wacha, Kris Bubic and Michael Lorenzen all healthy, Cameron will head back to Omaha. He’ll be a top option for the club, should a need in the rotation arise in the weeks ahead.

Reds Option Alexis Diaz

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The Reds have optioned former All-Star closer Alexis Diaz to Triple-A Louisville, per a team announcement. Fellow right-hander Luis Mey is being recalled from Louisville in his place. Mey will be making his MLB debut the first time he takes the mound.

It’s been a brutal season for Diaz, who already lost the closer’s role in Cincinnati. The 28-year-old righty opened the year on the 15-day injured list due to a hamstring strain. He returned a couple weeks ago but has been pitching with a career-low 93 mph average fastball velocity. He currently has more walks (five) and home runs allowed (four) than strikeouts (three). The result is a ghastly 12.00 ERA, which was inflated heavily by yesterday’s five-run meltdown against the Cardinals.

Diaz’s decline hasn’t been completely out of the blue. He was an excellent high-leverage arm in his first two seasons from 2022-23, finishing fifth in ’22 NL Rookie of the Year voting and making the ’23 All-Star team at the midpoint of a 37-save season. His 2024 campaign, however, was rife with red flags.

Last year’s 3.99 ERA wasn’t necessarily a harbinger for significant decline in and of itself, but Diaz’s average heater dropped from 95.2 mph in 2022-23 to 93.9 mph in 2024. His strikeout rate, which had topped 30% in each of his first two seasons, fell to a pedestrian 22.7%. His swinging-strike rate checked in at just 11% last year after sitting at a gaudy 15.6% over the two prior seasons. Diaz has never had good command, walking more than 12% of his opponents even at his peak, which makes the precipitous decline in his ability to miss bats all the more problematic.

Diaz hasn’t altered his pitch selection over the course of his career — he’s still a pure four-seam/slider reliever — but the shape, velocity and quality of his pitches have all gone the wrong direction. Beyond the drop in fastball velocity, his slider has actually gained a bit less than a mile per hour. What was once a nearly 9 mph gap between his heater and his slider is down to 5.7 mph at the moment. He’s also seen that slider lose a significant amount of its horizontal break; back in 2022, Statcast measured both the vertical and horizontal break of Diaz’s slider to be well above average. They’re both more than two inches worse than average now, and the whiff rate on the pitch has plummeted from 45% in ’22 to just 13% so far in ’25.

The Reds could’ve non-tendered Diaz over the winter, but they kept him around and agreed to a $4.5MM salary for the current season. Depending on the length of this optional assignment, the demotion could push the right-hander’s path to free agency back by a year. He entered the season with exactly three years of MLB service, and if he spends more than two weeks in Louisville, he won’t accrue a full year this season. That’d push his free agency back from the 2027-28 offseason to the 2028-29 offseason.

Of course, that’ll only come into play if Diaz is able to restore some of his prior form. If he continues to struggle anywhere close to this level, he’ll be a non-tender candidate in November or perhaps even a DFA candidate between now and season’s end. For the time being, he’ll look to get back on track in Triple-A.

Turning to the 23-year-old Mey, he’ll add a flamethrowing arm to Terry Francona’s bullpen — but one whose command troubles aren’t all that dissimilar from those of Diaz. Mey is averaging a colossal 99.1 mph on his power sinker this year, but he’s walked at least 15.6% of his opponents in each of his four years of full-season ball in the minors. He doled free passes at a grisly 17.6% clip in 55 innings between High-A and Double-A last year, and he’s walked 16.7% of his opponents in nine Triple-A frames in 2025.

The glut of walks hasn’t necessarily been offset by prominent strikeout rates. Mey has been average or better in that regard throughout his career but has never really climbed into plus range. His strikeout rate has hovered between 23% and 28% from year to year, settling at a collective 25.9% rate dating back to 2021. Similarly, his sinker has produced strong but not quite elite ground-ball rates as he’s climbed the minor league ladder. He clocked in at 52% there in 2024 and has a 54.2% grounder rate so far in 2025.

The sheer power of Mey’s sinker, coupled with a slider that’s drawn anywhere from above-average to plus grades on scouting reports, gives Mey the foundation of a potentially dominant reliever. He’ll need to substantially improve upon his command in order to reach that ceiling, but he’s an intriguing arm for the Reds to take a look at in place of their newly demoted closer. Mey will presumably slot into low-leverage situations to start out his big league career.

Rangers Trade Daniel Robert To Phillies

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The Rangers have traded right-hander Daniel Robert, whom they’d recently designated for assignment, to the Phillies in exchange for minor league right-hander Enrique Segura, per announcements from both clubs. The Phillies optioned Robert to Triple-A Lehigh Valley.

Robert, 30, made his MLB debut with the Rangers in 2024 and pitched quite well in a small sample. He tossed 5 2/3 innings, holding opponents to two runs (3.18 ERA) on six hits and a pair of walks. He averaged just under 95 mph on his four-seamer, dodged hard contact of nearly any sort, and fanned six of his 26 opponents (23.1%).

It’s a tiny sample, of course, but Robert has also pitched well in the upper minors. It took several passes through Triple-A — he struggled there in 2022 and logged pedestrian numbers in 2023 before thriving in 2024 — but the recent results are impressive. Last year, Robert tossed 43 1/3 innings and notched a tidy 2.70 ERA. He punched out a weighty 31% of his opponents against a lower-than-average 7.7% walk rate. He’s picked up right where he left off so far in 2025, firing 11 2/3 frames with a 1.54 ERA, 34% strikeout rate and 8% walk rate.

Overall, Robert has a 2.45 ERA, 31.7% strikeout rate, 7.8% walk rate and 43.3% ground-ball rate in his past 55 Triple-A innings. That comes on top of his solid MLB debut in ’24. He’s averaged better than 95 mph during during that pair of Triple-A seasons and recorded a swinging-strike rate of nearly 14%. It’s been a nice run for the former 21st-round pick — who’s in the second of three minor league option years — making his DFA something of a surprise in the first place.

Given that recent run, it’s not a surprise that the Rangers were able to acquire a prospect in exchange for Robert — as opposed to the more common cash swaps we see involving players who’ve been designated for assignment. Segura entered the 2025 season ranked 21st among Phillies prospects, per FanGraphs’ Eric Longenhagen. He’s coming off a season in which he pitched well for six games with the Rangers’ Rookie-level club before moving up to Class-A at just 19 years old (about three years younger than the average player in that league).

Segura was hit hard in A-ball, as one might expect, but he’s been more effective there so far in 2025, his age-20 campaign. He posted a combined 5.76 earned run average in 75 minor league frames last year, all coming as a starter. This year, he’s tossed 17 innings with a 4.24 ERA, 25% strikeout rate and 10.5% walk rate. Those early rate stats represent modest gains over his 2024 levels (22 K%, 11.4 BB%).

Longenhagen highlights Segura’s projectable frame as reason to believe his stuff might play up as he continues to mature. That, paired with a smooth and repeatable delivery that is quite deceptive for right-handed opponents in particular, pushed him into the middle tiers of the Phillies’ prospect rankings at FanGraphs. Baseball America tabbed Segura 28th in Philadelphia’s system a couple years back, praising that same projectable build, his mechanics, and the potential for a plus slider.

Segura is a project, to be sure, but he’s a better prospect than most who are flipped in DFA trades, which seems reflective of the intriguing numbers Robert has posted over the past calendar year.

Mariners Sign Bryan Shaw To Minor League Deal

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The Mariners signed veteran right-handed reliever Bryan Shaw to a minor league deal yesterday. The team never formally announced it, but Shaw’s signing appears on their transaction log at MLB.com and the righty pitched in last night’s game for Triple-A Tacoma.

Shaw’s return to the Mariners organization — he also pitched for Seattle in 2020 — didn’t go particularly well. He retired only one of the five batters he faced, allowing a hit and three walks (one intentional) to the others. The 37-year-old right-hander had previously yielded five earned runs in 1 2/3 innings for the Reds’ top affiliate in Louisville before being cut loose.

Shaw pitched only four big league innings last year, his fewest single-season total since making his MLB debut with the Diamondbacks in 2011. It’s been several years since his peak as an iron man in Cleveland’s bullpen, but the well-traveled Shaw was an effective middle reliever as recently as 2023 with the White Sox. He tossed 45 2/3 innings that year and recorded a respectable 4.14 ERA with a 21.1% strikeout rate and 8.9% walk rate.

From 2013-17, Shaw tied lefty Tony Watson for the MLB lead among relievers at 358 2/3 innings. Shaw’s 378 total appearances during that time were by far the most in MLB. He wasn’t just a rubber arm, either; in those 358 2/3 innings, Shaw logged a 3.11 ERA and ranked third among all relievers with 110 holds (in addition to nine rogue saves). He’s had more shaky seasons than good ones in the time since that peak run. It seems fair to presume that Shaw’s nearly unrivaled workload took some toll on his arm, but it’s worth noting that he still has only one appearance on the MLB injured list in his entire career: a three-week stint due to a calf strain with the Rockies in 2018.

Orioles Move Charlie Morton To Bullpen

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The Orioles used veteran starter Charlie Morton out of the bullpen last night when Kyle Gibson’s first start of the year was shorter than hoped, and it seems that’ll be the continued plan for Morton — at least in the short term. Manager Brandon Hyde announced today that Morton will pitch in relief for the time being (link via Andy Kostka of the Baltimore Banner). The O’s haven’t closed the door on the 41-year-old returning to a starting role, but they’re hoping a change in role can help get him back on track.

It’s a disappointing outcome for both the team and for Morton personally. The 18-year big league veteran signed with the O’s on a one-year, $15MM contract over the winter. Morton was one of several one-year acquisitions for the Orioles’ rotation, joining Tomoyuki Sugano and Gibson in that regard. Baltimore’s baseball operations staff hoped that the infusion of aging veterans, paired with steps forward from young pitchers like Grayson Rodriguez and Cade Povich, would help them overcome the loss of ace Corbin Burnes, who signed with the D-backs in free agency.

Virtually nothing has gone right for the Orioles’ staff in 2025, however. Morton is hardly alone in terms of struggles, but his have been the most glaring. He’s appeared in seven games — five starts, one bulk appearance following an opener, and last night’s mop-up work — and been tattooed for a 9.45 ERA in 26 2/3 frames. His 15.2% walk rate is a career-worst, while his 18.8% strikeout rate is his lowest since 2015. Morton’s typically strong ground-ball rate has evaporated; he’s sitting on a career-low 36.7% mark and has averaged a career-worst 2.03 homers per nine innings pitched. He’s also displayed career-worst marks in average exit velocity (91.6 mph), opponents’ barrel rate (11.1%) and hard-hit rate (48.9%).

The rest of Baltimore’s rotation hasn’t been quite as bad, but it’s still been a mess overall. Dean Kremer has been torched for a 7.04 ERA while working with career-worst strikeout and swinging-strike rates. Povich was terrific his last time out but still has an ERA of 5.04. Sugano boasts a sharp 3.00 ERA, but it’s hard to see that continuing when he has the fourth-lowest strikeout rate among all qualified big league pitchers.

Injuries have hit Baltimore’s staff hard. Zach Eflin has been out since mid-April due to a lat strain. Rodriguez initially hit the IL with elbow inflammation but has since been diagnosed with a lat strain of his own; he was recently moved over to the 60-day injured list. Trevor Rogers, Albert Suarez, Chayce McDermott, Kyle Bradish and Tyler Wells have all yet to pitch this season. Rogers dislocated his kneecap in January. McDermott suffered a lat strain in February. Suarez’s shoulder flared up in March. He’s now on the 60-day IL, too. Bradish and Wells had UCL surgeries performed just days apart last June.

There’s little recourse for the Orioles at the moment. Rookie Brandon Young made his MLB debut earlier this month but has struggled in both of his outings (6.23 ERA, eight walks in 8 2/3 innings). Gibson made his season debut last night and was promptly shelled for nine runs in 3 2/3 frames. Triple-A starters Kyle Brnovich, Cameron Weston and Thaddeus Ward have posted results that range from underwhelming to ugly.

Right now, the hope will be that Povich can build on his last solid outing in tonight’s series finale versus the Yankees. Baltimore has announced that Kremer, Sugano and Gibson will start this weekend, in that order, against a Royals club that has struggled to score runs in 2025. Baltimore is off again next Monday. That gives them the short-term luxury of skipping the fifth spot this next time through the rotation, but the O’s only have one off-day from May 6-28, so that’s a short-term reprieve.

Zach Thompson Elects Free Agency

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Right-hander Zach Thompson has rejected an outright assignment to Triple-A Gwinnett in favor of free agency, per David O’Brien of The Athletic. Thompson was designated for assignment earlier this week and clearly went unclaimed on waivers. As a player who’s previously been outrighted in the past, has has the right to turn down all future outright assignments in favor of a trip back to the open market.

Thompson, 31, appeared in two big league games and fired 3 2/3 scoreless innings with the Braves. He yielded three earned runs on seven hits and three walks with a pair of strikeouts during 4 1/3 innings with Triple-A Gwinnett. That limited action so far in 2025 marks Thompson’s first time on a mound since 2023. He missed the entire 2024 season after undergoing surgery to repair a tear in his right flexor tendon.

Prior to his run with the Braves organization, Thompson has seen big league time with both the Marlins and Pirates. He made his MLB debut with the 2021 Marlins, pitching 75 innings of 3.24 ERA ball with a 21% strikeout rate, an 8.9% walk rate and a 43.4% ground-ball rate. That proved enough for the Pirates to acquire him as one of three players in their return for trading catcher Jacob Stallings to Miami.

Thompson’s time with the Pirates didn’t pan out. Pittsburgh surely hoped to be adding a controllable back-end starter who could be plugged right into the rotation after trading Stallings away. Thompson did indeed step right onto the starting staff, but he was roughed up for a 5.18 ERA in 121 2/3 innings. The majority of that time was spent in the rotation (22 starts), but Thompson struggled just as much in seven bullpen appearances later in the year. The Bucs designated him for assignment that offseason and traded him to Toronto. Thompson spent the entire year in the minors before requiring that flexor surgery in October.

A team in need of some rotation depth or long relief help may take a look at Thompson in the near future now that he’s once again a free agent. He pitched decently with the Jays’ Triple-A squad in 2023 (105 innings, 4.61 ERA), has had some degree of success in the majors, and most importantly now appears healthy after missing all of the 2024 season. Thompson also has a full slate of three minor league option years, which may not immediately come into play if he signs a minor league deal but would be a benefit to his next club if he pitches his way into 40-man consideration.

Cubs Select Chris Flexen

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2:46pm: The Cubs have announced the move. Flexen’s contract has been selected from Iowa, and Assad was indeed transferred to the 60-day IL to open a spot on the 40-man roster. Lefty Tom Cosgrove was optioned to Iowa to clear a spot for Flexen on the active 26-man roster.

9:04am: The Cubs are selecting the contract of veteran righty Chris Flexen from Triple-A Iowa, reports ESPN’s Jesse Rogers. He’s been excellent through his first five starts in Des Moines and would’ve been able to opt out of his minor league contract tomorrow if not added to the 40-man roster. Chicago has a full 40-man roster, so a corresponding move will be necessary.

Flexen, 30, has turned in a pristine 1.16 ERA with a much-improved 22.3% strikeout rate against an 8.5% walk rate in 23 1/3 innings of Triple-A work. He hasn’t made any notable changes to his repertoire, and his velocity is right in line with previous levels (91.3 mph average four-seamer), but Rogers notes that Flexen did make a change to his arm slot that the team believes has contributed to his early success.

Flexen has followed an unusual career arc, originally debuting as a 22-year-old with the Mets in 2017 and struggling through parts of three seasons before heading overseas. Flexen reinvented himself with the Korea Baseball Organization’s Doosan Bears, parlaying one strong year there in 2020 into a two-year free agent deal with the Mariners. Upon coming back to North America, he quickly became a pivotal member of Seattle’s rotation, posting a 3.66 ERA in 317 2/3 innings from 2021-22.

After his 2023 option was picked up, his production cratered and Flexen found himself designated for assignment. He struggled down the stretch after being scooped up by the Rockies, and then pitched the 2024 season on a one-year deal with the White Sox, for whom he worked as an innings-eating fifth starter (4.95 ERA, 160 innings, 30 starts).

Based on how his 2023-24 seasons played out, it wasn’t a big surprise that the free agent market produced only a minor league deal for Flexen. His terrific early performance amid some tangible changes to his delivery, however, has fast tracked him back to the big leagues.

The Cubs will be without ace Justin Steele for the remainder of the season due to elbow surgery, but even with Steele out of the picture, the rotation has generally been solid. Shota Imanaga, Jameson Taillon and Matthew Boyd have all delivered strong results (albeit in spite of some more concerning underlying numbers for Imanaga in particular). Veteran swingman Colin Rea has stepped into Steele’s rotation spot and been brilliant in three turns (13 1/3 innings, 1.35 ERA, 17-to-3 K/BB ratio).

The Chicago rotation isn’t without flaws, though. Twenty-five-year-old Ben Brown has been inconsistent. He’s shown a promising ability to miss bats but has yet to top five innings in an outing and has scarcely kept his ERA in the rotation under 6.00. All three of Imanaga, Boyd and Taillon have strikeout rates around 19% — about three percentage points shy of the league average. Imanaga and Boyd have roughly average walk rates. Neither seems likely to sustain a sub-3.00 ERA without improvements in one or both areas.

Regardless, the Cubs don’t necessarily have a glaring rotation need. Brown seems likely to get a bit more leash. There are no injuries of any note among the existing quintet. Imanaga exited his most recent start due to some cramping in his legs, but Rogers adds in a second report that Flexen’s promotion is not related to that early exit.

For now, it seems Flexen will just provide some length, perhaps in a similar swingman role to the one previously held by Rea. If Imanaga’s legs ultimately require an IL stint and/or if Brown’s struggles continue, perhaps there’ll be a more notable change to the pitching staff’s composition.

It’s not yet clear how the Cubs will make room on the 40-man roster, though one straightforward option would be to transfer righty Javier Assad from the 15-day IL to the 60-day IL. Assad has been out all season due to an oblique strain, and while he was progressing through a rehab stint last week, he exited his most recent rehab appearance due to renewed discomfort in his side. That was eight days ago, the Cubs have since announced that he’s been diagnosed with a Grade 2 oblique strain. He’s not going to be ready to return at any point in the near future, making a 60-day transfer the clearest path to open a roster spot without sacrificing any depth.

A’s Select Carlos Duran

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The A’s have selected the contract of righty Carlos Duran from Triple-A and optioned lefty Jacob Lopez, per a team announcement. Right-hander Jose Leclerc was transferred from the 15-day IL to the 60-day IL in order to open space for Duran, who’ll be making his MLB debut the first time he takes the mound.

Duran, 23, was just acquired from the Dodgers in exchange for outfielder Esteury Ruiz earlier in the month. He’s pitched 16 innings between the Triple-A clubs for the Dodgers and A’s in 2025 and posted unsightly results, due largely to poor command. Currently, Duran holds a 6.75 ERA on the season. He’s fanned a respectable 24.3% of his opponents but also issued walks at an untenable 16.2% clip (in addition to three hit batters and a pair of wild pitches).

This year’s command troubles notwithstanding, Duran has a decent minor league track record. He pitched 53 1/3 innings across three minor league levels with the Dodgers in 2024 and notched a combined 3.71 ERA with a robust 29.4% strikeout rate. His location still wasn’t sharp, evidenced by a 12.9% walk rate, but it wasn’t quite as rough as it’s been so far in 2025. Duran is averaging better than 95 mph on his heater this season and pairing it with a slider that sits about 10 mph slower on the radar gun.

That slider, in particular, has drawn heaps of praise from scouts. Baseball America in 2023 called it a plus-plus offering that stood as perhaps the best individual pitch in the Dodgers’ entire minor league system. That’s high praise, but commanding that slider (and his fastball) have been an issue for Duran — as one might expect from a pitcher listed at 6’7″. Duran also has a notable injury under his belt, having missed the 2023 season due to Tommy John surgery (which may also have contributed to his poor command dating back to last year).

Leclerc’s move to the 60-day injured list shouldn’t come as a surprise. The A’s placed him on the 15-day IL due to a lat strain last week. The team noted at the time that Leclerc would be shut down entirely for an indefinite period. There’s still no firm timetable, but it’s been clear for the past seven days that the right-hander wasn’t going to be a candidate to return from the IL at any point in the near future.

The A’s signed Leclerc to a one-year, $10MM contract in the offseason. He’s had an ugly start to his 2025 campaign, yielding six runs on 13 hits and five walks in only nine innings. Leclerc has whiffed just eight of his 46 opponents — a 17.4% rate that’s miles shy of his career 30.8% mark — and has seen his average fastball drop by more than one mile per hour. It currently sits at a career-low 94.2 mph.

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