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Justus Sheffield

Mariners Outright Justus Sheffield

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The Mariners announced that left-hander Justus Sheffield has cleared waivers and been outrighted to Triple-A Tacoma.

Sheffield, 27 in May, was a first round draft pick and was previously considered one of the top prospects in baseball. Selected 31st overall by Cleveland in 2014, went to the Yankees in 2016 as part of the Andrew Miller trade and then went to Seattle in the 2018 James Paxton deal. Baseball America placed him on their top 100 list for four straight years beginning in 2016, including placing Sheffield in the top 50 for the latter two years of that stretch.

Unfortunately, he hasn’t been able to deliver on that hype so far. He’s pitched 186 innings in the big leagues over the past five seasons with a 5.47 ERA, 18.2% strikeout rate and 10.6% walk rate. His 49.5% ground ball rate is strong but the results have been poor otherwise. His work in the minors hasn’t inspired much confidence either, as he registered a 6.99 ERA over 24 Triple-A starts last year.

Those poor results nudged him off the roster when the Mariners signed Tommy La Stella last week. None of the 29 other clubs were willing to commit a roster spot to Sheffield so he’ll stick with the M’s as non-roster depth. Players with over three years of service time or a previous career outright can reject an outright assignment and elect free agency, but Sheffield doesn’t meet either qualification. If he earns his way back onto the roster, he still has one option year remaining.

Mariners Sign Tommy La Stella, Designate Justus Sheffield

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The Mariners announced that they have signed infielder Tommy La Stella to a one-year deal. To create room on the 40-man roster, left-hander Justus Sheffield was designated for assignment.

La Stella, who turns 34 later this month, has some strong seasons on his track record but is coming off a rough patch. From 2016 to 2020, he walked in 9.6% of his trips to the plate and struck out in just 10.6% of them. He only hit 29 home runs over those five years but produced a batting line of .282/.358/.435. That production amounted to a wRC+ of 114, indicating he was 14% better than league average.

He parlayed that strong run of play into a three-year, $18.75MM contract with the Giants going into 2021. Unfortunately, things started going poorly for La Stella as soon as the ink dried on that deal. He only got into 76 games in 2021 due to various ailments and hit just .250/.308/.405 for a wRC+ of 93. He underwent achilles surgery in October, which was originally reported as occurring on his left achilles but was reported almost a year later to have been on both of them, per Andrew Baggarly of The Athletic.

Things got even worse in 2022, as injuries limited him to just 60 games on the season and he spent most of those as a designated hitter. He only took the field for 76 innings all year, getting brief amounts of time at first, second and third base. He hit just .239/.282/.350 for a wRC+ of 78. Though there was still one year left on his contract, the Giants cut bait and released him.

That makes this essentially a no-risk move for the Mariners, since the Giants are on the hook for the $11.5MM that’s still owed to La Stella. The M’s will pay him the prorated league minimum for any time he’s on the roster, with that amount being subtracted from San Francisco’s tab.

Though La Stella hardly took the field last year, he’s played more second base than anywhere else in his career. The Mariners were looking bolster their middle infield this offseason and already did so by trading for Kolten Wong. If the club views La Stella as a viable defender, he potentially gives them some extra cover there while adding a left-handed bat into their position player mix. Some of the clubs most obvious designated hitter candidates are right-handed, such as Teoscar Hernández and AJ Pollock. La Stella hits from the left side and has traditional platoon splits, having produced a 105 wRC+ against righties but just an 87 against lefties.

Though there’s no real financial cost for the M’s, they are paying the price of potentially losing Sheffield, who turns 27 in May. He was a first round selection of Cleveland in 2014 but was twice traded in headline-grabbing deals. He went to the Yankees in 2016 as part of the Andrew Miller trade and then went to Seattle in the 2018 James Paxton deal, frequently appearing on top prospect lists in that time as well.

Unfortunately, he hasn’t been able to live up to that pedigree thus far. He’s pitched 186 innings over the past five seasons but has just a 5.47 ERA to show for it. He’s gotten grounders at a healthy 49.5% clip but his 18.2% strikeout rate and 10.6% walk rate are both worse than league average. He hasn’t been faring much better in the minors either. He made 24 starts for Triple-A Tacoma last year and posted a 6.99 ERA in that time. The Rainiers play in the hitter-friendly Pacific Coast League but his rate stats were all fairly similar to his big league work and advanced metrics were only slightly kinder, such as a 6.27 FIP and 5.64 xFIP.

It seems those poor results have been enough to push him off Seattle’s roster. They will now have one week to trade him or pass him through waivers. He still has one option year remaining and just over two years of service, which could make him appealing to a club that thinks he can recapture the form that made him such a touted prospect.

Every Team’s Initial September Callups

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The limit on active roster players expanded from 26 to 28 today, as the calendar flipped to September. Every team announced at least two additions to the big league club (some teams made three or more due to injured list placements). Here’s a recap of today’s spate of transactions:

Mariners Notes: Thomas, Sheffield, Dunn

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The Mariners have outrighted Dillon Thomas, according to a club announcement.

The outfielder was initially selected by the Rockies in the fourth round of the 2011 draft. After a decade in the minor league systems of the Rockies, Brewers and Mariners, the 28-year-old was finally selected to a big league roster earlier this year. Unfortunately, he was only able to play four games, accumulating nine plate appearances, striking out in seven of them and getting one hit. His Triple-A numbers this year are solid, slashing .273/.379/.458, good enough for a wRC+ of 110.

Other notes from Seattle…

  • Justus Sheffield will begin a rehab assignment tomorrow, according to Jen Mueller of ROOT Sports. Sheffield has been out almost a month with both a flexor strain and an oblique strain. Before going on the IL, Sheffield was struggling to replicate his solid 2020 season. After 55 1/3 innings of 3.58 ERA ball last year, the lefty has logged 73 2/3 innings this year with his ERA having ballooned up to 6.48.
  • Mueller also provides an update on Justin Dunn. Though this one is not as encouraging, as Dunn has not begun throwing off a mound yet. The righty has been on the IL since mid-June with a shoulder strain. The 25-year-old was enjoying a breakout season before the injury, throwing 50 1/3 innings with an ERA of 3.75. He had also increased his strikeout rate and reduced his walk rate, compared to last year.

Mariners Notes: Trade Deadline, Sheffield, Dipoto

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2:50pm: Dipoto revealed in an appearance on 710 ESPN Radio today that Sheffield has been diagnosed with a mild flexor strain in his left forearm but also a Grade 2 oblique strain (Twitter link via 710’s Shannon Drayer). The oblique injury is the more significant of the two, and based on the fact that it’s a Grade 2 strain, it seems fair to expect Sheffield to be absent from the Seattle rotation for a rather notable chunk of time. Even less-severe Grade 1 oblique strains can sideline players for around a month at a time.

10:20am: After slipping a few games below .500 in mid-June, the Mariners have rallied back with a 14-7 showing that has them three games over .500, at 45-42. That still places them nine games back in a  tough AL West, but they’re only three and a half games down in the Wild Card standings. Seattle has looked like one of the many teams whose deadline trajectory could very well be determined by how the team fares in its next 10 games or so, but manager Scott Servais suggested in an appearance on MLB Network Radio on SiriusXM that he expects the front office to operate as buyers (Twitter link, with audio).

“We’ve got a ton of prospect capital, and we’ve got young players in our system — our minor league system has improved so much,” Servais told hosts Mike Ferrin and Jim Duquette. “…Our Major League team is moving in the right direction, so the possibility to add players to help this year and to help going forward is really important for us. I’m sure [GM Jerry Dipoto] and [assistant GM] Justin Hollander are talking to everybody out there and seeing what they can do to better us now and then also take a look into 2022 and beyond.”

Asked about specific areas of need, Servais said with a chuckle that “every manager out there says he needs more pitching.” While that was something of a tongue-in-cheek comment, the rotation is a fairly obvious area of focus if Dipoto and the front office do indeed look to add to the roster. The Mariners have received solid results from Yusei Kikuchi, Justin Dunn, offseason signing Chris Flexen and top prospect Logan Gilbert, but on the whole, their starters are 23rd in the Majors with a 4.76 ERA.

Opening Day starter Marco Gonzales missed more than a month with a forearm injury and hasn’t looked like himself when healthy enough to take the mound. The typically steady left-hander has posted a career-worst nine percent walk rate, which has been exacerbated by the fact that he’s been one of MLB’s most homer-prone pitchers in 2021 (2.29 HR/9).

Fellow left-hander Justus Sheffield, meanwhile, has recently struggled through a brutal stretch — a slump that looks all the more alarming after the Mariners announced last night that he was headed to the injured list with a forearm strain of his own. No timetable for the southpaw’s return was provided.

The 25-year-old Sheffield pitched to a 4.17 ERA and 3.97 FIP from Opening Day 2020 through June 3 of this season and looked to be settling in as a reliable member of the Seattle rotation. But over his past five starts, Sheffield has managed only 19 1/3 innings and been hammered for 24 runs on 33 hits (seven homers) and 12 walks. His velocity hasn’t dipped in that time, but it’s still the worst stretch of his young career — one that’s ballooned his 2021 ERA to 6.48 in short order.

Looking long-term, the Mariners have some high-end arms still on the way. Recent first-rounders George Kirby and Emerson Hancock were both drafted as polished college arms, but they’re currently pitching at Class-A Advanced and aren’t immediate options to help round out the MLB group. The Mariners have some depth options in Triple-A — Robert Dugger is already on the 40-man roster — but they’ve also lost a lot of their depth to injuries. Dunn is currently on the IL with a shoulder strain. James Paxton’s return to Seattle lasted just 1 1/3 innings before he required Tommy John surgery. Righty Ljay Newsome also went down with a UCL tear, and lefty Nick Margevicius underwent thoracic outlet surgery earlier in the year.

Given that slate of injuries and new concerns surrounding Sheffield, it’d only be natural for the Mariners to look for some help on the trade market. And while that’ll be especially likely if they remain within arm’s reach of a postseason berth, the Mariners are the type of team that could look to add longer-term pieces to their MLB group even if they begin to fall back in the standings. Servais foreshadowed as much when mentioning “[taking] a look into 2022 and beyond” — a nod to the possibility of acquiring a pitcher with multiple years of club control remaining.

Regardless of how the Mariners finish in the standings this year, the offseason expectation will be that they’re going to start adding to the roster via free agency and trades. Much of the team’s young core has either emerged in the big leagues already or will do so over the next calendar year. Acquiring a pitcher with multiple years of club control would only serve to jumpstart that process for Dipoto & Co.

Then again, as Ryan Divish of the Seattle Times points out, there’s at least some degree of uncertainty surrounding the organization’s top decision-maker himself. Dipoto is in the final season of a three-year contract right now and has yet to sign a new deal. Divish reports that the Mariners have “floated” the idea of a one-year extension for the 2022 season, which would give Dipoto a chance to finish off his rebuild and ownership the chance to take a look at a more finished product, so to speak.

For the time being, however, Dipoto is approaching a pivotal trade deadline with no guarantee he’ll still be at the helm this coming offseason. It’s still possible that ownership will get something done this month — Dipoto’s last three-year extension was signed in early July, 2018 — but it’s not clear whether there’s been any formal offer made.

Mariners Likely To Open With Six-Man Rotation

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The Mariners are planning to begin the season with a six-man rotation in place, general manager Jerry Dipoto told reporters yesterday (Twitter link via Greg Johns of MLB.com). That tactic should allow the Seattle club the opportunity to manage the innings of younger arms on a per-game basis while also maximizing their opportunity to evaluate some up-and-coming arms who could factor into the long-term outlook.

Recently extended southpaw Marco Gonzales seems likely to get the Opening Day nod as the Mariners’ most established starter, and the team will hope for better results from 29-year-old lefty Yusei Kikuchi in the second season of his uniquely structured free-agent deal. Kikuchi, who had established himself as one of Nippon Professional Baseball’s premier arms prior to 2019, is locked in at $43MM from 2019-21. After the contract’s third year, Seattle can pick up a four-year, $66MM “option.” If the club declines to do so, Kikuchi can instead exercise a $13MM player option. In essence, he’s guaranteed $56MM over four years, while the M’s have the opportunity to lock him up at what would be a total of seven years and $109MM if he takes his game to a new level between now and the completion of the 2021 campaign.

Beyond that pair of lefties, Seattle will get longer looks at southpaw Justus Sheffield and righty Justin Dunn — two key trade acquisitions that came over in the 2018-19 offseason. Sheffield, a former first-rounder and longtime top prospect, was the headline piece of the trade that sent James Paxton to the Yankees. Dunn came to the Mariners alongside vaunted outfield prospect Jarred Kelenic and righty reliever Gerson Bautista in the Robinson Cano/Edwin Diaz blockbuster.

The Mariners also rolled the dice on a pair of low-cost free agents this winter, nabbing former division rival Kendall Graveman and former Mariner Taijuan Walker on one-year pacts. Both have seen their careers slowed by 2018 Tommy John surgery. Graveman, who had his procedure in late July that year, didn’t make it back to the big leagues in 2019. Walker’s surgery was in April 2018, but a strained shoulder capsule limited him to one inning in 2019, which came in the final game of the season.

As one would expect from a rebuilding club, the Mariners have plenty of other young options to dream on, though the organization’s very best pitching prospects are likely a bit too far down the pipeline to factor into the 2020 season. The Mariners have selected a college right-hander with their top pick in each of the past three drafts — Logan Gilbert, George Kirby and now Emerson Hancock — and while that trio is unlikely to pitch in the Majors this year (Gilbert being the lone plausible exception), Dipoto did suggest that they and other top prospects could be on the taxi squad primarily for developmental purposes (link via Ryan Divish of the Seattle Times). Working out with other taxi squad members would give that promising group critical developmental reps in a year where no formal minor league season is expected to be played.

AL West Notes: Mariners, Rangers, Astros

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Some news and notes from around the American League West…

  • While Spring Training impressions were limited due to the mid-March shutdown, the Mariners were still encouraged by the progress demonstrated by some expected key players, manager Scott Servais said this week on MLB Network Radio on SiriusXM (Twitter link, with audio). In particular, lefty Justus Sheffield and righties Justin Dunn and Logan Gilbert looked to have taken notable strides. Sheffield, the centerpiece of the Mariners’ James Paxton return, allowed two runs on five hits and no walks with 12 punchouts in eight spring innings. Dunn, acquired alongside Jarred Kelenic in the Robinson Cano/Edwin Diaz blockbuster, whiffed 10 hitters in six innings while holding opponents to two runs in 6 2/3 frames. Gilbert, Seattle’s first-rounder in 2018, pitched four shutout innings with four strikeouts, no walks and one hit. The M’s are hopeful that this trio can soon ascend to the big league rotation alongside Marco Gonzales as the organization emerges from an accelerated rebuilding process. There’s clearly more to the belief that strides were made than those surface-level stats, but the trio’s showing nevertheless was heartening for Mariners fans.
  • Rangers slugger Joey Gallo spoke with reporters about the dimensions of the newly constructed Globe Life Field, noting that the team’s new home park was “playing big as hell” during his batting practice session (link via Evan Grant of the Dallas Morning News). Gallo pointed out that the park is particularly deep in center field, where it’s 407 feet straightaway. That said, as Grant points out, the distance may not make a huge difference for Gallo, whose home runs to center field have averaged 434 feet in distance. GM Jon Daniels added that Gallo has been hitting with the roof closed, and opening it while hitting game balls against live pitching could change things. Still, it’d be a notable change for the Rangers to suddenly find themselves in a pitcher-friendly or even neutral park after long playing in one of the game’s most hitter-friendly stadiums. Gallo did offer positive reviews of the park’s artificial surface, calling it the “best turf I’ve ever been on” and touting its lack of “lingering side effects.” Gallo acknowledges that Rangers players were worried about the surface heading into the season, but his early experiences have allayed some of those concerns.
  • The Astros are facing a potential exodus in the outfield this coming offseason, and Jake Kaplan of The Athletic notes in his latest mailbag column that they’re looking at a similar slate of departures post-2021, when Justin Verlander, Zack Greinke, Carlos Correa and Lance McCullers Jr. could all hit the open market. Houston will see George Springer, Michael Brantley, Yuli Gurriel and Josh Reddick hit the market after whatever type of 2020 season we get. Given their poorly regarded farm system — not to mention the loss of draft picks in 2020-21 — the ’Stros are faced with an increasingly precarious position. It’s of course possible that the Astros could yet work out some extensions with various members of that core, but it’s also eminently apparent that a fair bit of roster turnover can be expected in the next couple of years — with several high-profile names likely to depart.

Mariners Call Up Justus Sheffield

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As expected, the Mariners have called up lefty pitching prospect Justus Sheffield, per a club announcement. He’ll take the roster spot that the team opened by dropping Cory Gearrin.

Sheffield, 23, has seen brief MLB action in each of the past two seasons. But he hasn’t yet made his first start — a milestone he’ll reach this evening when he takes the ball against the Blue Jays.

While Sheffield’s early appearances in the bigs haven’t been laden with promise, he has long been considered a significant talent. Drafted in the first round back in 2014, he has since headlined a pair of major trades (from the Indians to the Yankees and then on to the Mariners).

At the same time, the lefty hasn’t quite sustained the top-100 prospect hype he carried for the past four seasons. He just doesn’t seem to be showing quite the upside that had once been posited, with some command issues and stagnant K/BB rates over multiple seasons in the upper minors.

The consensus still seems to be that Sheffield will turn into a solid MLB starter, which would work just fine for the M’s. He struggled quite a bit at Triple-A to open the year, allowing a dozen home runs with a middling 48:41 K/BB ratio in 55 innings there. But Sheffield has turned it up since in a dozen Double-A starts, over which he carries a 2.19 ERA with 9.8 K/9 and 2.1 BB/9.

If all goes well, it’s possible Sheffield will position himself for a spot in the 2020 Seattle rotation. It remains to be seen how many innings he’ll be allowed to accumulate down the stretch. Sheffield is already at a career-high 133 in the present campaign, though he’s probably in position to build up further after averaging more than 120 frames per season in the prior three campaigns.

AL West Notes: Mazara, Mariners, K. Calhoun

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Nomar Mazara has gone from an expected foundational piece with the Rangers to a platoon outfielder whose future is somewhat up in the air, Evan Grant of the Dallas Morning News writes. Texas is committed to getting lengthy looks at Willie Calhoun and Scott Heineman in the outfield, and when Joey Gallo returns from the IL, he’ll reenter the outfield mix as well. Mazara, meanwhile, has the worst OBP against left-handed pitching of any qualified hitter in the AL and ranks near the bottom in terms of average and slugging as well. He’s nearing the conclusion of his fourth full year in the big leagues, and while he’ll likely put together his fourth 20-homer season — he’s at 15 presently — he’s never produced even a league-average offensive season based on OPS+ or wRC+. He’ll be arbitration-eligible for the second time this winter and earn a raise on this year’s $3.3MM salary. Texas has some in-house alternatives and the ability to spend in free agency, and Mazara drew some interest prior to the July 31 trade deadline. It’d be painful to sell low on the former top prospect, but it’s clear that his stock has dropped considerably.

Some more news and notes from the AL West…

  • Asked during a conference call about the Mariners’ plans in free agency this winter (link via Ryan Divish of the Seattle Times), general manager Jerry Dipoto replied: “We don’t expect to go into the offseason scouring the free-agent market at the top of the food chain.” That shouldn’t be a particularly surprising stance for anyone to see, as the Seattle club has made it abundantly clear that its rebuild will be a multiyear process. With Felix Hernandez’s contract coming off the books and just over $86MM committed to next season’s payroll at present, the Mariners will have plenty of money to spend, but those funds seem likelier to be allocated to stopgaps, potential summer trade chips and/or mid-range free agents than to any top-tier talent. As Divish points out, Seattle would have overpay (substantially, most likely) in order to sway any free agent to join a club that just lost 90-plus games and is publicly rebuilding.
  • The Mariners will consider moving to a six-man rotation in the near future, MLB.com’s Greg Johns writes. Well-regarded pitching prospects Justus Sheffield and Justin Dunn, acquired in the offseason deals for James Paxton and Edwin Diaz, respectively, will likely join the club by September. Felix Hernandez, too, could return in September. Such an arrangement could help Seattle in monitoring the workload of rookie Yusei Kikuchi and also preventing Marco Gonzales from a radical increase in his innings count from 2018. Sheffield was given a reprieve from the comically hitter-friendly Pacific Coast League recently and has dominated Double-A opposition with a 1.64 ERA and 65-to-14 K/BB ratio in 60 1/3 innings of work. Dunn has also spent the year in Double-A, compiling 100 1/3 innings of 3.59 ERA ball with 10.7 K/9 against 2.8 BB/9.
  • Angels right fielder Kole Calhoun knows that with Jo Adell looming, the team has an affordable alternative to his $14MM club option, but he tells Mik DiGiovanna of the L.A. Times that he’s focused more on his current play than his contractual status. “I’m worried about playing now, and what happens will happen,” said Calhoun. “[Adell] is definitely a great player. He’s a young guy, and we’ll see how he continues to develop, but the talent is there. He’s going to be a big league player for a long time.” Calhoun has been the Angels’ primary right fielder since 2014 and, with the exception of a down season in 2018, has been a generally underrated player. Still, it’s questionable whether the Angels or another club would value him at a net $13MM — the option has a $1MM buyout — in advance of his age-32 season. Free agents entering their mid-30s haven’t fared well in recent years, and corner bats in particular have struggled on the open market. Calhoun’s case is surely helped by the fact that a good bit of his value is tied to his glove and a 10.2 percent walk rate across the past four seasons.

Mariners Promote Justus Sheffield, Designate Shawn Armstrong

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The Mariners announced Friday that they’ve recalled top pitching prospect Justus Sheffield for his team debut and designated righty Shawn Armstrong for assignment. Sheffield’s promotion is expected to be a short-term one, per Ryan Divish of the Seattle Times, who tweets that the lefty is expected to be optioned back to Triple-A Tacoma after tonight’s game. At that point, newly acquired Mike Wright will be added to the MLB roster in his place.

Sheffield, 22, has been regarded as one of the game’s top pitching prospects for the majority of his professional career. The Indians selected him with the 31st overall pick in the 2014 draft but later traded him to the Yankees alongside Clint Frazier in the trade that netted them Andrew Miller. Sheffield made his big league debut with the Yankees last September but tossed just 2 2/3 innings of relief. The Yankees flipped him to the Mariners this winter as the centerpiece of the James Paxton trade.

Per MLB.com’s Greg Johns, Sheffield won’t actually start tonight’s game; rather, he’ll follow Yusei Kikuchi in relief. Kikuchi will function as an opener in tonight’s game, pitching only one inning as part of the Mariners’ plan to acclimate the Japanese rookie to a larger workload (both in terms of volume of innings and the frequency with which he pitches as compared to Japan’s Nippon Professional Baseball, where starters pitch every sixth day). At some point, of course, the Mariners will take a look at Sheffield as a full-time rotation cog, though that apparently won’t come until later in the season. For now, righty Erik Swanson (also acquired from the Yankees in the Paxton swap) is getting the first look in the rotation.

The Mariners will now have a week to trade Armstrong or pass him through outright waivers. The organization likely hopes to be able to retain the 28-year-old, who was brilliant in 56 innings of Triple-A ball last season (1.77 ERA, 13.2 K/9) before posting a 1.23 ERA and a 15-to-3 K/BB ratio in 14 2/3 innings at the big league level. Armstrong has been tagged for six runs on eight hits and three walks through just 3 2/3 innings with the Mariners so far in 2019. Armstrong is out of minor league options, so any club that acquires him would have to carry him on its active roster (or else once again try to pass him through outright waivers).

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