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Mariners Designate Jackson Kowar For Assignment

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The Mariners announced they’ve designated reliever Jackson Kowar for assignment. That opens a 40-man roster spot for catcher Jhonny Pereda, whom they acquired from the Twins in exchange for cash considerations. Minnesota had designated Pereda for assignment last week when they signed free agent catcher Victor Caratini to a two-year contract.

Kowar, 29, is a former supplemental first-round pick of the Royals. He allowed 79 runs in 74 innings over parts of three seasons with Kansas City. They swapped him to the Braves for injured starter Kyle Wright over the 2023-24 offseason. Kowar’s time with the organization lasted less than a month, as the Braves flipped him to Seattle as part of the multi-player deal that sent Jarred Kelenic to Atlanta.

It was a change-of-scenery sequence involving a number of former high draft picks, but none of the players involved performed as hoped. Kowar blew out during his first Spring Training as a member of the Mariners. He underwent Tommy John surgery and was out of action until May ’25. He was on and off the active roster for the next few months until suffering a season-ending shoulder impingement in August.

Kowar has ultimately made just 15 appearances in a Seattle uniform. He allowed eight runs over 17 innings, walking seven while recording 15 strikeouts. The Florida product gave up nine runs (five earned) across 16 Triple-A innings. He has an 8.21 earned run average with a 20.3% strikeout rate and elevated 13.1% walk percentage across 91 MLB innings.

Primarily a fastball-changeup pitcher earlier in his career, Kowar cut back on the change while ramping up his slider usage last season. It resulted in a few more whiffs in his Triple-A time, though his control remains an issue. He sits around 97 MPH with the fastball and could intrigue teams based on the arm speed and his draft pedigree despite the grisly MLB numbers. He’s out of options, so he’d need to break camp or again be designated for assignment if another team is willing to give him an offseason 40-man spot.

Pereda is a well-traveled depth catcher who has divided his 48 major league games between three teams. He debuted with 20 appearances for the Marlins two seasons ago and combined for 28 games between the A’s and Minnesota last year. The 29-year-old (30 in April) has hit .241 without a home run in 118 major league plate appearances. He has a strong upper minors track record, batting .296/.392/.419 in just shy of 1000 career Triple-A plate appearances.

The Venezuelan-born Pereda has a good arm and a generally solid defensive reputation. He also has a minor league option, so the M’s can send him back to Triple-A for the 2026 season. They signed Andrew Knizner to a $1MM free agent deal to work behind Cal Raleigh. Trading Harry Ford had left them without any other catchers on the 40-man roster. Pereda has a leg up on non-roster invitee Nick Raposo as the top depth option in case either of their MLB catchers suffer an injury. Knizner is a career .211/.281/.316 hitter, so it’s not out of the question that Pereda outplays him for the backup job during the season.

Mariners Acquire Cooper Criswell

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The Mariners announced that they have acquired right-hander Cooper Criswell from the Mets in exchange for cash considerations. He was designated for assignment this week when New York acquired Freddy Peralta and Tobias Myers from the Brewers. Left-hander Jhonathan Díaz has been designated for assignment by Seattle as a corresponding move for Criswell. Jorge Castillo of ESPN first reported that the Mariners would be acquiring Criswell. Ryan Divish of The Seattle Times reported the cash going the other way.

Criswell, 29, has the reputation of a serviceable swingman or back-end starter. His most extensive big league look came in 2024 with the Red Sox. He tossed 99 1/3 innings for Boston that year over 18 starts and eight relief appearances, allowing 4.08 earned runs per nine. His 17.2% strikeout rate wasn’t especially high but he limited walks to a 7.2% pace and induced grounders on 50.3% of balls in play.

Despite that solid season, he got pushed down the depth chart in 2025. The Sox acquired Garrett Crochet, signed Walker Buehler and got Lucas Giolito back from his injury absence. Criswell only made seven big league appearances last year. He spent most of the year in Triple-A, where he tossed 65 2/3 innings with a 3.70 ERA, 24.5% strikeout rate, 10.1% walk rate and 49.4% ground ball rate.

He exhausted his final option in 2025, pushing him to a fringe roster position. He and the Sox agreed to a deal in November, guaranteeing him $800K in 2026, even though he had not yet qualified for arbitration. That salary is only marginally above the $780K minimum in 2026.

The hope with a deal like that it would disincentivize other clubs from claiming him via waivers. It would also make Criswell less likely to elect free agency after clearing. He has a previous career outright and therefore has the right to reject further outright assignments in favor of the open market. But since he has less than five years of big league service time, he would have to walk away from the money in exercising that right.

That hasn’t gone as planned. The Sox designated Criswell for assignment in December but the Mets claimed him off waivers. As mentioned, the Mets bumped him off the roster this week. If they had any hope of passing him through waivers, the Mariners presumably called and told them it wouldn’t happen.

Seattle has a strong rotation but the depth isn’t amazing. The front five of Logan Gilbert, George Kirby, Bryan Woo, Bryce Miller and Luis Castillo is one of the best in the game. But beyond that group are guys like Logan Evans, Emerson Hancock and Blas Castano who haven’t yet proven themselves to be effective big leaguers. Switch-pitching prospect Jurrangelo Cijntje is on the way but he has only seven Double-A starts under his belt and hasn’t reached Triple-A yet.

Criswell gives the M’s a useful guy to add to the mix, though the roster fit is a bit tight at the moment. As mentioned, the club already has five good starters. Criswell could be in the bullpen as a long reliever but the relief group is also crowded. The Mariners currently project for an eight-man bullpen consisting of Andrés Muñoz, Matt Brash, Jose A. Ferrer, Eduard Bazardo, Gabe Speier, Carlos Vargas, Casey Legumina and Jackson Kowar. No one in that group can be optioned to the minors except for Brash or Ferrer and they’re too good to be sent down. Perhaps the M’s will try to pass Criswell, or someone else in that group, through waivers at some point for extra flexibility.

As for Díaz, the 29-year-old began today in the rotation depth group alongside Evans, Hancock and Castano but the Mariners evidently prefer Criswell to Díaz in that mix. Some websites list Díaz as still having a minor league option but he was optioned for extended stretches throughout the 2022, 2024 and 2025 seasons. Teams are sometimes granted a fourth option on a player but only if they don’t have five “full” professional seasons, where a “full” season is defined as 90 active days. Díaz first reached full season ball way back in 2017 and has been fairly active since then, so he shouldn’t qualify for a fourth option.

His major league track record is still fairly short. He has appeared in five big league seasons but with just 46 1/3 total innings pitched across those. He has a 4.66 ERA, 15.1% strikeout rate, 12.3% walk rate and 45.2% ground ball rate. He only made one big league appearance last year, spending the rest of the season on optional assignment with Triple-A Tacoma in the hitter-friendly Pacific Coast League. He gave that club 138 2/3 innings with a 4.15 ERA, 19.8% strikeout rate, 4.1% walk rate and 46.9% ground ball rate.

The lefty will be in DFA limbo for a week at most. The waiver process takes 48 hours, so the Mariners could field trade interest for as long as five days. He has a previous career outright and would therefore have the right to elect free agency if he were to clear waivers.

Photo courtesy of Eric Canha, Imagn Images

Samad Taylor Elects Free Agency

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The Mariners announced that infielder/outfielder Samad Taylor has cleared outright waivers and elected free agency. He was designated for assignment last week when Seattle acquired right-hander Yosver Zulueta. Taylor had a previous career outright, which gave him the right to head to the open market this time.

Taylor, 27, has a small and unimpressive big league track record. He has appeared in 83 games over the past three seasons, split between the Royals and Mariners. He has stepped to the plate 83 times and produced a .205/.272/.260 line. However, he stole eight bases in that time without getting caught and has lined up defensively at second base, third base and all three outfield slots.

His offense has been better in the minors. Over the past four years, he has stepped to the plate 1,950 times at the Triple-A level. His 21.8% strikeout rate in that sample is fairly average but his 12.1% walk rate is quite strong. He has a combined .281/.373/.432 line in that stretch for a 108 wRC+. His base-stealing abilities have also been demonstrated more there, with 160 swipes in 200 attempts.

There’s appeal in a utility guy with wheels and a good eye at the plate but it seems that clubs deem Taylor just shy of rosterability. The Mariners passed him through outright waivers almost exactly one year ago, on January 21st of 2025. He was added back to the roster in April but spent most of the year on optional assignment. He exhausted his final option in the process, making it even harder for him to hold a roster spot.

Now that he has been outrighted a second time, he has the right to elect free agency. He has exercised that right and heads to the open market for the first time. Since he just cleared waivers, it can be assumed no club is willing to give him a 40-man spot. He will therefore be looking at minor league offers, with pitchers and catchers reporting in just over two weeks.

Photo courtesy of Stephen Brashear, Imagn Images

Mariners, Dane Dunning Agree To Minor League Contract

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The Mariners are in agreement with righty Dane Dunning on a minor league deal, reports Chris Cotillo of MassLive. That’ll presumably come with a non-roster invite for the Wasserman client.

Dunning is looking to rebound from a frustrating season. The former first-round draftee was limited to 12 big league appearances between the Braves and Rangers. He allowed a near-7.00 ERA across 20 2/3 innings out of the bullpen. Dunning has spent the majority of his career as a starter and continued to work from the rotation in Triple-A. The results there were a little better, as he pitched to a 4.67 ERA with a league average 21.6% strikeout percentage and 7.6% walk rate across 69 1/3 frames.

The 31-year-old Dunning held a rotation spot for the Rangers from 2021-23. He fired a career-high 172 2/3 innings of 3.70 ERA ball for the World Series team in ’23. He has never had big velocity or strikeout ability, but he’s generally a solid strike-thrower who did a decent job avoiding hard contact during his best seasons. The home run ball has become a bigger issue over the past two years.

Dunning can work as long relief or rotation depth at Triple-A Tacoma. He’d probably need multiple Spring Training injuries to get consideration for an Opening Day roster spot. Dunning obviously wouldn’t crack Seattle’s rotation if their top five starters are healthy, and most of their projected bullpen is out of minor league options.

They don’t have an especially deep rotation beyond their excellent front five, however. Logan Evans and Emerson Hancock would be their next men up. Neither has found much success at the MLB level. Evans posted a 4.32 ERA with below-average strikeout stuff over his first 16 appearances. Hancock was pitching in short relief by the end of last season and might fit better there, as he has a near-5.00 ERA in 31 career starts. Rookie Blas Castaño and swingman Jhonathan Diaz are the other depth starters on the 40-man roster.

Mariners, Bryce Miller Avoid Arbitration

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The Mariners announced that they have avoided arbitration with right-hander Bryce Miller by agreeing to a one-year deal with a club option for 2027. Miller will make a $2.4375MM salary in 2026, according to Adam Jude of The Seattle Times. The club option is worth $6.075MM and has a $15K buyout, so Miller is guaranteed $2.4525MM, per Jon Heyman of The New York Post. The club option is voided if Miller finishes in the top five of Cy Young voting in 2026. He will still be controllable via arbitration through 2029 regardless of how the contractual situation plays out.

Miller was one of 18 players who did not have a deal in place when the arbitration filing deadline passed earlier this month. He just qualified for arbitration for the first time this offseason as a Super Two player, meaning he will go through the process four times instead of the standard three. MLBTR contributor Matt Swartz projected him for a $2.4MM salary. Miller filed at $2.625MM and the Mariners at $2.25MM.

A gap of just $375K is a drop in the bucket for a major league baseball club but it compounds when looking at the bigger picture. A player’s subsequent trips through arbitration see his salary grow as a percentage of where he started. Therefore, a $375K gap can actually lead to a swing of millions over three years, or four in this case.

Most teams these days adopt a “file and trial” approach, which means they cut off negotiations of one-year deals after the filing deadline. This is to give them leverage in pre-deadline talks and also to prevent players from filing absurdly high numbers in an attempt to set out an aggressive bargaining stance. An arbiter can only pick the player’s or the team’s number, not a midpoint.

Even if a team does have a “file and trial” policy, exceptions are made for deals that are longer than one year, even if that extra year is an option. That gives the club a path to avoid a potentially contentious hearing while sticking to their policy, in a sense. A deal with an option can’t be used as a comparison point in future arb hearings as well, which is a factor.

Arbitration hearings are generally viewed as part of the business but occasional situations have cropped up where the relationships between a player and a team appeared to have been damaged. Three years ago, Corbin Burnes said as much in the wake of his hearing with the Brewers. Miller and the Mariners have staved off any possibility of that scenario by meeting roughly in the middle between their two filing numbers.

As mentioned, the club option is mostly a measure to avoid this agreement being used as a future comp. Even if it is voided or turned down, Miller would remain under club control through 2029 via arbitration.

There will now be no more than 16 hearings this year. Since the 18 players filed earlier this month, Cade Cavalli and the Nationals reached a new agreement and now Miller is off the list as well. Miller was the last Mariner in the arb class without a determined salary, so the club is now wrapped in that department.

Photo courtesy of Steven Bisig, Imagn Images

Mariners Designate Samad Taylor For Assignment

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The Mariners designated utilityman Samad Taylor for assignment. That creates a 40-man roster spot for reliever Yosver Zulueta, whose previously reported acquisition from Cincinnati is official.

Taylor was on Seattle’s 40-man roster for the majority of last season. He didn’t get much of a big league opportunity, only stepping to the plate nine times over four games. The M’s otherwise kept him on optional assignment to Triple-A Tacoma. Taylor had an excellent season in the Pacific Coast League, batting .296/.378/.461 with 27 doubles, seven triples and 17 home runs across 657 plate appearances. He posted better than average walk and strikeout rates while stealing 44 bases in 54 attempts.

The right-handed hitting Taylor has consistently produced against minor league pitching. He owns a .281/.373/.432 slash line in nearly 2000 Triple-A plate appearances over four seasons. Teams have remained skeptical about his ability to carry that over against big league pitching. Taylor has minimal power, as he’s listed at 5’8″ and 160 pounds.

Despite last year’s decent home run total, his exit velocities in Triple-A have been well below average. He has used his smaller strike zone to his advantage and worked a lot of walks against minor league pitchers. That could be difficult to maintain against MLB arms, who have better command and should be more equipped to challenge Taylor within the zone.

Seattle successfully ran Taylor through waivers unclaimed last offseason. That’d give him the right to elect free agency if he clears this time around. Taylor’s minor league production and ability to play second base and anywhere in the outfield could get him a look on the waiver wire. He’s now out of minor league options, however, so a claiming team would need to carry him on the MLB roster or send him back to DFA limbo.

Mariners Acquire Yosver Zulueta

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The Mariners and Reds announced a trade sending reliever Yosver Zulueta to Seattle for minor league pitcher Dusty Revis. Zulueta was just designated for assignment by Cincinnati a few hours ago when they made their Pierce Johnson signing official. Seattle designated infielder Samad Taylor for assignment in a corresponding move.

Zulueta, who turns 28 next week, has a limited major league track record. He has thrown 23 2/3 innings for the Reds over the past two seasons. In that time, he has allowed 5.32 earned runs per nine frames. His 10.9% walk rate is on the high side but his 24.8% strikeout rate and 54% ground ball rate are both strong figures.

Despite the short résumé, the stuff is intriguing. His four-seamer and sinker have both averaged in the upper 90s during his time as a big leaguer. He has also thrown a slider and changeup in the upper 80s. His minor league numbers are also enticing, though with similar control issues as his time in the majors. At Triple-A last year, he tossed 60 1/3 innings with a 3.28 ERA, 31.2% strikeout rate and 56.5% ground ball rate but a 12.8% walk rate.

Zulueta first got a 40-man spot from the Blue Jays in November of 2022. He has mostly been on optional assignment in the three seasons since then, with a waiver claim by Cincinnati along the way.

That would normally position him to be out of options but he may qualify for a fourth option. A player can qualify for a fourth option if he doesn’t have five “full” seasons as a professional, with a “full” season usually consisting of 90 days on an active roster. Zulueta made his professional debut in 2021 but only made one appearance in Single-A that year, so he may only have four “full” seasons. That’s likely why his FanGraphs page lists him as still having an option.

The Mariners have a pretty good reputation of getting good results from unheralded relievers. That doesn’t mean they succeed with every guy they pick up but Zulueta clearly has a powerful arm, so perhaps Seattle can figure out a way to make good use of it. If things go well, Zulueta has less than a year of service time and can be affordably controlled into the foreseeable future.

Cincinnati takes a flier on Revis, whom Seattle drafted in the 11th round last summer. The 6’2″ righty turned in a 4.04 ERA across 15 starts during his final season at Western Carolina University. He didn’t pitch after the draft. Josh Kirshenbaum of MLB Pipeline wrote on draft day that he held his fastball velocity in the mid-90s while working out of the Catamounts rotation.

Francys Romero of BeisbolFR.com first reported that Zulueta was being traded to Seattle. Photo courtesy of Katie Stratman, Imagn Images

Latest On Mariners’ Trade Targets

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This week’s trade sending Nolan Arenado from St. Louis to Arizona and the Cubs’ weekend signing of Alex Bregman figure to accelerate the market surrounding various trade and free agent scenarios. One club that could directly be impacted is the Mariners, who’ve spent the bulk of the winter trying to add another infielder after re-signing Josh Naylor on a five-year contract early in the offseason.

Seattle’s interest in Cardinals second baseman Brendan Donovan is no secret. They were linked to him last offseason and have been reported to be one of his most prominent suitors this winter. Jeff Jones of the Belleville News-Democrat reports that in addition to Donovan, the Mariners have had “ongoing” discussions with the Cardinals about left-handed reliever JoJo Romero throughout the winter. Seattle already added one southpaw arm for the bullpen, acquiring Jose A. Ferrer from the Nationals in December, and they have a second outstanding option in Gabe Speier, who enjoyed a breakout year in 2025 (and was just added to the Team USA roster for the upcoming World Baseball Classic).

Adam Jude of the Seattle Times reports that Donovan is the Mariners’ top target on the trade market but adds that the M’s also have interest in Cubs second baseman Nico Hoerner. The veteran Hoerner’s name has come up in trade speculation since the Bregman signing, though it seems unlikely a deal will actually come together. Chicago appears willing to listen as a matter of due diligence but would presumably need to be overwhelmed and receive substantial big league talent to trade Hoerner coming off a .297/.345/.394 season that saw him swipe 29 bases, win his second Gold Glove and finish sixth in the National League with 6.2 wins above replacement, per Baseball-Reference (or 15th with 4.8 fWAR, for those who prefer FanGraphs’ version of the statistic).

[Related: Giants Aggressively Pursuing Second Base Upgrade]

At this point, the fit between Donovan and the Mariners has been explored at length. He’s an affordable ($5.8MM in 2026) high-contact bat with good on-base and defensive skills who can handle either of the two currently unsettled positions in the Seattle infield: second base or third base. The M’s have plenty of highly touted prospects who could emerge at those positions — Colt Emerson, Cole Young, Michael Arroyo among them — but Donovan could also move to an outfield corner if those promising young players force the issue. He’s under control through the 2027 season via arbitration.

Romero was previously linked to the Mariners, but that was before the team acquired Ferrer. It’s notable that Jones implies there have been talks even after that swap. The 29-year-old lefty has been a mainstay in the Cardinals’ bullpen for three-plus seasons now and has steadily shown year-over-year improvement. In 2025, he tossed a career-high 61 innings with a career-best 2.07 earned run average. Romero saved eight games, tallied 24 holds and blew only one opportunity. He fanned a slightly below-average 21.6% of his opponents against a bloated 11.4% walk rate that stands as a major outlier relative to the career 7.7% walk rate he carried into the ’25 season. The lefty also kept a hefty 54.5% of batted balls on the ground.

The Cardinals signed Romero to a $4.26MM contract for the upcoming season — his final year of club control. While last year’s hiccup in terms of command is of at least some concern, the broader track record is quite strong. Since joining the Cardinals, Romero boasts a flat 3.00 ERA (3.61 SIERA) with a 23.4% strikeout rate, 9.1% walk rate, 53.7% ground-ball rate, 57 holds and 12 saves. The Orioles and Yankees are among the others to show interest in Romero, though it’s a veritable certainty that the field of interested clubs is much larger than just these three.

Echoing previous reporting from The Athletic’s Katie Woo, Jude suggests that at least a pair of top-100 prospects — switch-pitcher Jurrangelo Cijntje and outfielder Lazaro Montes — have been discussed in talks with the Cardinals. The exact permutations of those talks remains murky. There’s no firm indication that St. Louis has sought both in the same package for Donovan, just as there’s no certainty that Seattle has offered both. It’s certainly possible that Romero’s name has come up as part of a package talk involving one or both those ballyhooed young players. Whatever shape those negotiations have taken, they (obviously) have yet to culminate in a deal.

Hoerner, much like Donovan, is a straightforward fit for the Mariners. The previously mentioned Cole Young is currently in line to open the season at second base for the M’s. He’s a former first-round pick and top-50 prospect, but Young hit just .211/.302/.305 in his first 77 MLB games last year. He won’t even turn 23 until late July, so there’s plenty of time for him to develop into a quality regular, but the Mariners are built to win right now. Hoerner, a free agent next winter who’s signed for $12MM in 2026, would give the Mariners an immediate upgrade while affording them the luxury of additional development time for Young. As a bonus, Seattle could extend a qualifying offer to Hoerner next November, netting them a compensatory draft pick in the event that he signs elsewhere.

Again, the Cubs are not outright shopping Hoerner but are willing to hear other clubs out. They’re almost certainly not going to trade him for prospects who are years from MLB readiness; doing so would offset most or even all of the wins gained by bringing Bregman into the fold. It’s hard to come up with a direct exchange that would benefit both parties equally, but the Mariners are nothing if not aggressive and creative on the trade front.

At present, RosterResource projects the Mariners for just under $157MM in 2026 payroll. That’s a bit shy of the franchise-record $158MM Opening Day payroll and a ways south of the roughly $167MM figure at which they ended the 2025 campaign. Given the win-now push in Seattle and the extra revenue from a deep playoff run that saw the Mariners advance to Game 7 of the American League Championship Series, it stands to reason that ownership is willing to push payroll beyond those marks.

18 Players Exchange Filing Figures

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Teams and arbitration-eligible players had until 7:00 pm Central to agree to terms or exchange filing figures. The vast majority agreed to salaries, either this afternoon or before November’s non-tender deadline to ensure they were offered contracts at all.

There were 18 cases where team and player did not align — none bigger than the record $13MM gap between the Tigers and Tarik Skubal. Nothing formally prevents players and teams from continuing negotiations. However, virtually every team takes a “file-and-trial” approach to the process. Clubs will mostly refuse to continue talks about one-year deals after this date. They’ll often make exceptions for discussions involving multi-year contracts or one-year deals with a club/mutual option. It’s unlikely that all of these players will end up getting to a hearing, but the majority probably will.

If the sides go to a hearing, a three-person arbitration panel will either choose the player’s or the team’s filing figure. (Hearings will run between January 26 and February 13.) The arbitrators cannot pick a midpoint. That’s designed to prevent the parties from anchoring by filing at extremely high or low figures. Teams’ preferences for the file-and-trial approach follows a similar logic. The idea is to deter players from submitting a higher number from which they could continue to negotiate until the hearing begins.

Unless otherwise noted, Mark Feinsand of MLB.com and ESPN’s Jeff Passan reported all filing figures for those who didn’t reach agreements. The list of players who could go to a hearing this winter (service time in parentheses):

Angels

  • Reid Detmers (3.159): Filed at $2.925MM, team filed at $2.625MM

Astros

  • Isaac Paredes (4.160): Filed at $9.95MM, team filed at $8.75MM
  • Yainer Diaz (3.035): Filed at $4.5MM, team filed at $3MM

Blue Jays

  • Eric Lauer (5.091): Filed at $5.75MM, team filed at $4.4MM (first reported by Ben Nicholson-Smith of Sportsnet)

Braves

  • Dylan Lee (3.150): Filed at $2.2MM, team filed at $2MM

Brewers

Marlins

Mariners

  • Bryce Miller (2.153): Filed at $2.625MM, team filed at $2.25MM

Nationals

Orioles

  • Keegan Akin (5.083): Filed at $3.375MM, team filed at $2.975MM
  • Kyle Bradish (3.160): Filed at $3.55MM, team filed at $2.875MM

Rays

  • Edwin Uceta (2.150): Filed at $1.525MM, team filed at $1.2MM

Reds

Royals

Tigers

Twins

  • Joe Ryan (4.033): Filed at $6.35MM, team filed at $5.85MM

Mariners Avoid Arbitration With Arozarena, Gilbert

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7:50pm: Seattle announced agreements with all seven players in their arbitration class. That includes a $10.927MM deal with Gilbert, reports Mark Feinsand of MLB.com. He’d been projected at an even $10MM. Gilbert is coming off a 3.44 ERA showing across 25 starts. He’ll go through arbitration once more before reaching free agency.

12:37pm: The Mariners and slugging outfielder Randy Arozarena are in agreement on a one-year, $15.65MM contract, reports Francys Romero of BeisbolFR.com. He’s entering his final season of arbitration control before becoming a free agent next winter.

Acquired from the Rays at the 2024 trade deadline, Arozarena has been an impactful source of power in the heart of Seattle’s lineup since that trade. He had a slow start to his Seattle tenure but in 2025 slashed .238/.334/.426 with a career-high 27 home runs and 31 steals (the second-highest mark of his career). By measure of wRC+, which weights for the pitcher-friendly confines in Seattle’s T-Mobile Park, Arozarena has been 22% better than average at the plate since landing in the Emerald City.

Heading into 2026, Arozarena will again play a key role near the top of manager Dan Wilson’s lineup. He’ll be joined by MVP runner-up Cal Raleigh, Julio Rodriguez and the recently re-signed Josh Naylor atop what should be a quality Mariners lineup. The M’s have been continuing their search for more bats, looking particularly hard at adding another infielder to the mix. They’ve reportedly shown interest in trading for Cardinals infielder Brendan Donovan and D-backs star Ketel Marte, and they haven’t yet closed the door on a reunion with slugger Eugenio Suarez.

Arozarena was the Mariners’ most expensive arb case this winter. They’ve also reportedly agreed to a deal with George Kirby ($6.65MM) and have pending cases with Logan Gilbert, Gabe Speier, Luke Raley, Matt Brash and Bryce Miller. Arozarena had been projected for a heartier $18.2MM salary by MLBTR contributor Matt Swartz. He’ll clock in about 14% lower than that mark, leaving the Mariners with more flexibility as they continue to look for additional help on the offensive side of things and in their bullpen.

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