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Mariners “Not Active In” Pursuing Third Base Help

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After re-signing Josh Naylor, the next step on the Mariners’ to-do list is a reunion with Jorge Polanco, with the intent of utilizing the veteran infielder as a second baseman and part-time DH.  Seattle has also been linked to such second base trade targets as Brendan Donovan and old friend Ketel Marte, though the focus on the keystone is noteworthy.  When it comes to checking in at the hot corner, the Seattle Times’ Adam Jude hears from sources that “the Mariners…are not active in the third-base market.”

While Eugenio Suarez is another ex-Mariner that remains on the team’s radar, Suarez seems to be the backup plan if Polanco doesn’t re-sign, and Jude writes that the M’s would utilize Suarez just as a part-time third baseman if the slugger ends up back in the Pacific Northwest.  That decision seems logical, as Suarez’s public defensive metrics were subpar (-6 Defensive Runs Saved, -3 Outs Above Average) in 2025, as the Mariners have better fielders within the team’s collection of young infield talent.

This internal group is the reason why the M’s seem content to more or less stand pat at third base.  Ben Williamson’s bat is a work in progress at best, but Williamson has a solid glove and can at least hold his own as a defender.  Top prospect Colt Emerson has only six Triple-A games under his belt, but he’ll be a factor at some point for the Mariners in 2026, potentially as soon as Opening Day.  Cole Young is another highly-regarded prospect who mostly played second base in his 2025 rookie season, and would presumably remain in a timeshare with Polanco and play second on the days when Polanco is a designated hitter.

The situation could be altered a bit if the Mariners acquired Donovan, a multi-positional player who could chip in at third base if necessary.  But overall, Seattle is confident that its up-and-coming youngsters can help the team in 2026, so even while the M’s are in win-now mode, they aren’t looking to bring in too much veteran depth to block the internal options.

Jude adds the interesting detail that Scott Boras, Alex Bregman’s agent, “initiated discussions with the Mariners to express Bregman’s willingness to consider Seattle as a destination.”  This isn’t an uncommon practice in baseball business, as agents routinely seek out any possible suitors that might be a fit for their clients.  It doesn’t appear as though the M’s did much or anything to reciprocate this interest, both due to the Mariners’ in-house third basemen and likely Bregman’s expected price tag.

Giants Have Shown Interest In Brendan Donovan

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Brendan Donovan has been one of the top trade targets for clubs seeking offensive help. The Royals, Mariners, Pirates, Guardians and Astros have all been tied to the lefty-hitting utilityman at points this offseason.

Derrick Goold of The St. Louis Post-Dispatch reports that the Giants have been in the mix for Donovan as well. Goold lists San Francisco alongside Seattle and Kansas City among the teams that have kept in touch with the Cardinals as they gauge the market. Tim Healey of The Boston Globe reports that the Red Sox have also talked with the Cards about Donovan, though he’s one of myriad star infielders whom Boston has considered.

The Giants are looking to add at second base. Casey Schmitt is the favorite to start there but probably fits better as a utility player. San Francisco had one of the least productive second base groups in MLB overall. Schmitt was a league average hitter, while Tyler Fitzgerald’s strikeout issues prevented him from building off an impressive 2024 rookie season. Donovan is coming off a .287/.353/.422 season and owns a very similar line in more than 2000 career plate appearances. He’d be a significant upgrade at second base and has the flexibility to help out in the corner outfield.

Kansas City surprisingly tendered a contract to Jonathan India. He’ll probably be back at second base, so Donovan might fit better for them in left field. They could also use India at designated hitter on days when Salvador Perez is behind the plate.

Seattle is hopeful of re-signing free agent second baseman Jorge Polanco. They’ve reportedly had a gap on the contract length, and president of baseball operations Jerry Dipoto spoke yesterday of preparing for the possibility that Polanco signs elsewhere. There’s been some thought that he could sign before the Winter Meetings are out tomorrow.

A Donovan trade, if it happens at all, doesn’t appear to be imminent. Goold writes that president of baseball operations Chaim Bloom and his staff are taking their time to evaluate offers. Ryan Divish and Adam Jude of The Seattle Times write similarly that Donovan is not expected to be moved before the end of the week.

Donovan is under club control for another two seasons. MLBTR contributor Matt Swartz projects him for a $5.4MM salary. That’ll likely climb into the $8-10MM range in 2027. The Cardinals haven’t firmly committed to trading Donovan, but there’s been no indication that an extension is on the table. They’re entering a rebuild, so it’d be a surprise if he’s not in another uniform by Opening Day. The Cardinals are pursuing controllable starting pitching in their trade conversations.

Giants Could Make Bryce Eldridge Available In Trade Talks

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TODAY: Speaking with Slusser and other reporters at the Winter Meetings, Giants president of baseball operations Buster Posey said “we’ll listen” to offers on Eldridge, but “we listen on everybody” out of due diligence.  Posey stressed that “we like [Eldridge] a lot,” pointing out that “this guy has flown through the system…and I think he’s got a chance to be one of the biggest impact bats for the next 10 to 15 years in the big leagues.”

DECEMBER 7, 10:33PM: The Mariners and Red Sox are two teams known to have interest in Eldridge, Susan Slusser of the San Francisco Chronicle writes.  It isn’t known if Seattle’s interest has continued now that Josh Naylor has re-signed and locked up the first base position for the next five years, though the M’s could conceivably use Naylor and Eldridge in the same first base/DH mixture that the Giants currently have planned for Devers and Eldridge.

1:59PM: Top prospect Bryce Eldridge made his big league debut with the Giants in 2025, and while that cup of coffee in the majors lasted just ten games with lackluster results he still figures to be a major part of the San Francisco offense next year with the roster as presently constructed. Even with Eldridge’s on-paper importance to the future of the lineup, however, Shayna Rubin of the San Francisco Chronicle reported earlier today that Eldridge “isn’t off the table” in trade talks as the front office heads into this year’s Winter Meetings.

That, of course, doesn’t necessarily make a trade of Eldridge particularly likely. It’s somewhat rare for players and prospects to be completely unavailable in trade talks as the majority of modern front offices have developed a willingness to listen on virtually any player. With that being said, it’s not often that a prospect with Eldridge’s pedigree winds up moving. The 21-year-old was San Francisco’s first-round pick in the 2023 draft and is a consensus top-20 prospect in the entire sport at this point. The slugger crushed 25 homers in just 102 games between Double- and Triple-A this year while hitting .260/.333/.510 overall across both levels. Few up-and-coming youngsters possess the raw power potential of Eldridge, who is listed at 6’7” and 240 pounds.

Virtually any team would be naturally intrigued at the idea of adding him to the middle of their lineup, and that should include the Giants. With that being said, Eldridge isn’t without his flaws. He struck out at a 30.8% clip at the Triple-A level this past year, raising concerns about his ability to make consistent contact against MLB-caliber pitching. Even aside from those concerns, however, it’s worth remembering that the Giants’ midsummer trade for Rafael Devers gave them their first baseman of the future for the better part of the next decade. It would certainly be possible for the Giants to squeeze Eldridge into their lineup, but doing so would substantially limit the club’s flexibility by locking down both first base and DH long-term.

The combination of Eldridge’s imperfect fit with the Giants’ roster after they brought in Devers as well as the team’s noted desire to avoid longer-term contracts this winter when looking to upgrade their pitching staff have made Eldridge a logical trade candidate. Even so, the argument for simply keeping an extremely gifted slugger whose service time clock has barely been started is certainly a strong one. 51% of respondents to a poll of MLBTR readers earlier this week believed that the Giants should hold onto Eldridge, and just 23% of respondents believed that the Giants should consider trading him without bringing in another impactful bat to make up for his absence from the 2026 lineup.

Of course, an acknowledgment that trading Eldridge isn’t entirely off the table remains far from the same as actively shopping him. It’s entirely possible that the Giants would only consider including Eldridge in a deal for a high-end player like Hunter Greene or Tarik Skubal who may not be entirely available in trade talks themselves. Rubin noted that while players of that caliber have been floated as potentially available, the specifics of this winter’s market are not yet set in stone. That, too, goes for the Giants’ level of involvement, per Rubin, which would lend credence to the idea that the Giants might only consider dealing Eldridge for certain impact players.

With that said, there’s a number of enticing trade candidates that have been bandied about this winter, even with players like Joe Ryan and Pablo Lopez likely to be off the market. Edward Cabrera, MacKenzie Gore, Freddy Peralta, Kodai Senga, and Mitch Keller are all on the list of names that could at least theoretically be had on the trade market this winter. While the Giants surely wouldn’t be interested in parting ways with Eldridge for many of those players, it’s far from impossible to see a team with a controllable, cost-controlled starter like Cabrera or Gore being able to convince the Giants to part with Eldridge in order to add another high-end arm to a rotation that already includes Logan Webb and Robbie Ray but is in major need of reinforcements.

Jorge Polanco Reportedly Seeking Three-Plus Year Deal

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The Mariners struck gold with last winter’s re-signing of Jorge Polanco on a $6MM free agent deal. They attributed his down 2024 season to a knee injury that had required postseason meniscus surgery. The switch-hitting infielder rewarded their faith by connecting on 26 home runs with a .265/.326/.495 slash across 524 plate appearances.

Polanco has certainly put himself in position for a more lucrative trip this time around. Ryan Divish of The Seattle Times reports that his representatives at Octagon are pursing a three- or four-year deal that pays upwards of $12MM. That’s roughly in line with the three-year, $42MM prediction which MLBTR put in ranking Polanco the #23 free agent of the offseason. ESPN’s Jesse Rogers writes that he could sign during the Winter Meetings.

It remains to be seen whether any team will meet that ask. The Mariners have spoken openly about their desire to bring Polanco back. Divish writes that a three-year guarantee may be beyond the team’s comfort zone, however. According to Divish, the club would rather limit the commitment to two years — potentially with a mutual or vesting option for 2028.

A straightforward mutual option wouldn’t move the needle much from Polanco’s perspective. Mutual options are essentially never exercised, as their purpose is to allow the team to delay the payment of a portion of the contract. (Rather than evenly distributing the money over the course of a season as salary, the option buyout is paid as a lump sum after the end of the World Series.) A vesting option comes with more upside than a mutual option would, but it requires him to stay healthy and hit certain playing time benchmarks. That’s no small caveat, especially for a player with Polanco’s injury history. His camp would obviously prefer to get the extra year fully guaranteed.

There are reasons for the M’s to be wary of a three-year commitment. Polanco turns 33 next July. The knee issues limited him to primary designated hitter work for the majority of the season. The M’s used him more frequently at second base in September and headed into the postseason. He only started 39 regular season games on defense, though, and the positional questions won’t go away as he gets into his mid-30s.

“I can’t tell you whether or not we will wind up being the team that reels him in,” president of baseball operations Jerry Dipoto said of Polanco’s market (via Divish). “But we have to spread a wider net than that. With the more likely reality is that you wind up somewhere else, moving in a different direction, because that’s just the odds. But we’ll engage, and we will remain connected to him. He was an important player for us, and I don’t think that has changed.”

Polanco has been mentioned as a possibility for a Pirates team that is willing to be more aggressive in free agency to improve the lineup. There aren’t a ton of free agent alternatives at second base. Ha-Seong Kim could command a similar contract to Polanco and might sign as a shortstop. Luis Rengifo and Willi Castro are reclamation targets. The third base market is a little deeper. Alex Bregman tops the group, while Eugenio Suárez and NPB slugger Kazuma Okamoto are in the middle tiers. Yoán Moncada and Ramón Urías should be available on one-year deals, while KBO infielder Sung-mun Song is available via the posting system.

Mariners Not Planning To Trade Luis Castillo

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The Mariners were willing to listen to offers for Luis Castillo at this time last year, but the right-hander ultimately remained with Seattle. The club doesn’t intend to shop Castillo during this year’s winter meetings, reports Adam Jude of the Seattle Times.

The 32-year-old Castillo delivered steady results last season, pitching to a 3.54 ERA over 32 starts. He topped 175 innings for the third straight year. Castillo’s strikeout rate fell to a career-low 21.7%, but he countered the downturn with a career-best 6.2% walk rate. The veteran has now improved his walk rate in each of the past four seasons.

Castillo has two years and $45.5MM remaining on the five-year, $108MM deal he signed with Seattle back in 2023. The contract also includes a vesting option for 2028, which is triggered if Castillo reaches 180 innings in 2027. He’ll easily be the Mariners’ highest-paid player next season, though it’s a reasonable commitment for Castillo’s reliable innings.

Seattle acquired Castillo from Cincinnati at the 2022 trade deadline for a package of Noelvi Marte, Edwin Arroyo, Levi Stoudt, and Andrew Moore. Marte hasn’t completely lived up to his lofty prospect pedigree, but he provided meaningful contributions at the big-league level last season. Arroyo is among the club’s top infield prospects and could reach the majors as soon as 2026. Still, the deal has worked out well for the Mariners.

Castillo has been remarkably consistent with Seattle, recording an ERA between 3.34 and 3.64 in his three full campaigns with the team. His approach has changed significantly as a Mariner, with an increased focus on his fastball/slider instead of the changeup. Castillo boasted one of the more effective changeups in the league while in Cincinnati, and he used it as his primary pitch from 2019 to 2021. With Seattle, he’s pushed the offering behind his four-seamer, sinker, and slider in terms of usage. The changeup has easily been Castillo’s least-effective pitch by Run Value since he joined the Mariners. His fastball has emerged as a dominant pitch, notching a Run Value of at least 12 in four straight years.

Seattle’s standout starting rotation struggled with injuries last season. George Kirby and Logan Gilbert both missed extended stretches. Bryan Woo, who had largely been healthy for the first time, went down in September, but made it back for the ALCS. With Bryce Miller expected to avoid elbow surgery, the group should be back to full strength next year.

The Mariners have been on the offensive this offseason, re-signing Josh Naylor and swapping Harry Ford for Jose A. Ferrer. Even with Ferrer joining the squad, Seattle isn’t done making tweaks to the bullpen, per president of baseball operations Jerry Dipoto. “We will continue to add to our bullpen, in all different ways, like we always have,” Dipoto told reporters, including Jude. Dipoto mentioned that the team has been in touch with multiple veteran relievers and expects a deal to get done.

Led by Andres Munoz, the Mariners’ bullpen ranked eighth in SIERA last season. Ferrer will give the team a hard thrower from the left side, joining Matt Brash as a setup option ahead of Munoz. With Emerson Hancock preparing as a starter, Seattle could target a swingman on the open market. Another lefty alongside Ferrer and Gabe Speier could also make sense.

Photo courtesy of Stephen Brashear, Imagn Images

Mariners, Pirates Linked To Ketel Marte

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The list of teams connected to Diamondbacks second baseman Ketel Marte continues to grow. Jon Heyman of the New York Post reported that the Mariners and Pirates are among the teams interested in dealing for the three-time All-Star.

Heyman also linked the Red Sox, Rays, and Tigers to Marte, echoing this morning’s report from USA Today’s Bob Nightengale. Those squads join the Phillies and Blue Jays, who reportedly inquired about Marte last month. John Gambadoro of 98.7 Arizona Sports noted in mid-November that at least seven teams had checked in on Marte’s availability, though he didn’t mention any by name. It’s unclear if this group comprises the seven teams Gambadoro was referencing, but we’ve now reached that number across the various reports.

With Jorge Polanco and Eugenio Suárez heading into free agency, Seattle has some vacancies to fill in the infield. A reunion with either player is an option, and there are also a handful of internal candidates to fill those spots, though a deal for Marte would be a desirable route. The 32-year-old has been one of the most productive players at his position over the past decade. Marte finished fourth in NL MVP voting in 2019 and came in third in 2024. He’s won the Silver Slugger award in back-to-back seasons.

Marte slashed .283/.376/.517 this past season. He topped 25 home runs for the third straight year. Various injuries and absences led to Marte playing just 126 games, but he exceeded 550 plate appearances for the fourth consecutive year. Outside of recurring hamstring problems in 2021, Marte has been remarkably durable during his nine seasons in Arizona.

It would be quite the full-circle moment if Seattle were able to acquire Marte. The club signed him as an international free agent in 2011. He debuted with the Mariners in 2015, posting a 112 wRC+ over 57 games. He struggled in a bigger role the following season, while also missing time with a thumb sprain and mononucleosis. Seattle shipped Marte and Taijuan Walker to Arizona following the 2016 season in a blockbuster deal that brought back Jean Segura, Mitch Haniger, and Zac Curtis. Segura and Haniger had productive tenures with the Mariners, but didn’t reach anywhere near the heights that Marte has in Arizona.

Seattle already used one of their primary trade chips this offseason, sending Harry Ford to Washington for Jose A. Ferrer, but the organization has plenty more exciting prospects to include in a potential Marte deal. MLB.com ranked the Mariners’ farm system behind only the Twins and Dodgers in its 2025 midseason update.

Pittsburgh has also executed a notable trade this offseason, acquiring Jhostynxon Garcia and a pitching prospect for Johan Oviedo and a couple of minor leaguers. Garcia will join the outfield mix alongside fixtures Oneil Cruz and Bryan Reynolds, but the club could still use some additions in the infield.

The Pirates shuffled through a litany of players at second base this past season, with Nick Gonzales (359 plate appearances) and Adam Frazier (189 plate appearances) earning the most reps at the position. Frazier was shipped to Kansas City at the trade deadline, and Gonzales could slot in at shortstop next season. That leaves Nick Yorke and Tsung-Che Cheng as the current top candidates to handle the keystone in 2026. Recent waiver claim Marco Luciano could also factor into the infield calculus, though he strictly played outfield and DH last season.

Pittsburgh ranked 23rd in OPS at second base last year. The club didn’t have much success at the other positions either, finishing dead last in scoring. The Pirates have been bottom 10 in runs for seven straight seasons. They’ve been the lowest-scoring team three times in that span. Moving Oviedo for Garcia is a step toward addressing that weakness, but a Marte deal would obviously provide a massive jolt to the offense. Pittsburgh slotted in at ninth in the aforementioned farm system rankings on MLB.com. It would likely take significant prospect capital to pry Marte away from Arizona.

Photo courtesy of Mark J. Rebilas, Imagn Images

Mariners Open To Reunion With Mitch Garver

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The Mariners traded catcher Harry Ford to the Nationals earlier today as part of a deal for lefty reliever Jose A. Ferrer. In the wake of that move, the club is open to a reunion with free agent Mitch Garver, according to Adam Jude of the Seattle Times.

Garver, who turns 35 in January, just played out the final season of a two-year, $24MM deal originally signed in December 2023. At the time, the Mariners envisioned him as a primary DH and a backup to Cal Raleigh behind the plate. Garver did not live up to those expectations on offense, however, as he posted an 88 wRC+ in 720 plate appearances across 2024-25. His contract contained a $12MM mutual option for 2026, though the club unsurprisingly declined their end of the option last month, instead paying Garver a $1MM buyout and making him a free agent.

In 2025, Garver batted .209/.297/.343 with an 86 wRC+ in 290 plate appearances across 87 games. He shaved a few points off his strikeout rate, going from 30.9% last year to 27.6% this year, while his walk rate declined slightly from 12.3% to a still-above-average 10.3%. His offensive output was more or less a repeat of 2024, when he posted an 89 wRC+ in 430 plate appearances. That kind of production is not unreasonable for a backup catcher, although it’s not what the Mariners expected from Garver, who was considered a bat-first player at the time of his signing and was coming off a 2023 season with the Rangers in which he posted a 142 wRC+ with 19 home runs.

Defensively, Garver started 42 games behind the plate this year, covering 376 2/3 innings. While Raleigh was worth 2 Defensive Runs Saved this year and graded out as the third-best pitch framer among qualified catchers, Garver was worth -6 DRS and was considered a below-average framer. He also drew negative marks from Statcast on his blocking and caught stealing rates, while his average pop time was in just the 4th percentile. In truth, Garver has never been a strong defender. He last graded out positively by DRS in the COVID-shortened 2020 season. It’s unlikely that his defense will improve as he plays into his mid-30s.

At this point, any signing team would have to hope for an offensive rebound. That said, there are some encouraging signs in Garver’s offensive profile. He posted a hard-hit rate of 46.9% in 2025, a full six points above the league average of 40.9%. He also brought up his average exit velocity to 91.5 mph after sitting at 89.9 mph in 2024. For Garver, the key will be boosting his performance against four-seam fastballs. He posted a 163 wRC+ against the pitch in 2024 but just a 77 wRC+ against four-seamers this year. Some decline is natural for a player of his age, though it’s also fair to expect positive regression given his track record.

A reunion with Garver could make sense for the Mariners. With Ford now traded to the Nationals and catching prospects Luke Stevenson and Josh Caron only at Single-A, there is no clear backup to Raleigh on the roster. With the $12MM mutual option having been declined, he could be had for a one-year deal at a much lower salary. RosterResource currently pegs the Mariners for a $151MM payroll in 2026, with about $15MM to go before they match their 2025 spending.

Photo courtesy of Dan Hamilton, Imagn Images

Nationals Trade Jose Ferrer To Mariners For Harry Ford

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The Nationals and Mariners lined up on a trade sending lefty reliever Jose A. Ferrer to Seattle for rookie catcher Harry Ford and minor league pitcher Isaac Lyon. Both teams have announced the trade.

Seattle adds a flamethrower from the left side to complement Andres Munoz and Matt Brash in the backend of the bullpen. The price is somewhat steep, as Ford ranks 42nd in MLB.com’s top 100 prospect rankings. Lyon was taken in the 10th round of the 2025 draft. He made a handful of appearances at Single-A this past season.

Ferrer emerged as Washington’s closer after Kyle Finnegan was shipped to Detroit at the trade deadline. He picked up 11 saves over the final two months of the season. The 25-year-old’s 21.9% strikeout rate and mid-4.00s ERA don’t scream shutdown closer, but he had an excellent 2.85 SIERA and an elite 4.9% walk rate on the year. Ferrer put together a stretch of 14 straight scoreless appearances shortly after taking over as closer, though he did falter over his final few appearances.

Ferrer has made 142 appearances out of the Nationals’ bullpen since his debut in 2023. He has a career 4.36 ERA, but his xERA and xFIP are both below 3.50. While he hasn’t piled up strikeouts, Ferrer’s upper-90s sinker has helped him rank among the best relievers in ground ball rate. Ferrer is under team control through 2029. He won’t reach arbitration until the 2027 campaign.

Ford has been a top 5 prospect in Seattle’s system since getting taken in the first round of the 2021 draft. The 12th overall pick slotted in at fifth among the Mariners’ prospects in 2022, per MLB.com. He reached the top spot in 2023, and most recently slotted in at fourth. Ford has hit at every minor league stop, while also providing significant contributions as a base stealer.

The 22-year-old Ford slashed .283/.408/.460 with 16 home runs and seven steals at Triple-A this past year. He struck out less than 20% of the time while posting a massive 16.2% walk rate. Ford briefly debuted with the big-league club, mostly operating as a pinch hitter and defensive replacement. He went 1-for-6 in eight appearances.

The 16 home runs with Tacoma were a career high for Ford, though the seven steals were a disappointing total after he swiped 35 bags at Double-A in 2024. Ford’s elite walk rate has allowed him to consistently put up huge on-base numbers. Outside of a .377 OBP in 2024, he’s been at or above .400 in each season of his minor league tenure. Ford’s power outlook is more gap-to-gap than over-the-fence, but his combination of speed and on-base skills gives him a unique offensive profile, particularly for a catcher.

With Cal Raleigh landing a six-year extension before the 2025 campaign, Ford was going to be blocked in Seattle for the foreseeable future. He’ll head to Washington to join a catching group that struggled with injuries and production last season. Recurring concussion issues limited Keibert Ruiz to 68 games in 2025. He briefly returned to the team in early July, then went right back on the IL and never made it back to the big-league squad. Riley Adams handled the majority of the reps behind the plate, along with brief cameos from Drew Millas and Jorge Alfaro. Washington’s backstops ranked 29th in OPS. Adams is back on a one-year split deal, while Alfaro is a free agent.

Lyon made four starts with Modesto this past year. The 21-year-old righty will head to Fredericksburg to continue honing his craft. Lyon is the son of former pitcher Brandon Lyon.

Andrew Golden of The Washington Post reported the Mariners were nearing a Ferrer deal. Robert Murray of FanSided reported that Ford was heading to Washington. Golden was first with Lyon’s inclusion. Photos courtesy of Imagn Images.

Mariners Finalize Coaching Staff

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The Mariners announced their 2026 coaching staff on Friday morning. There are three news additions to Dan Wilson’s group: bullpen coach Austin Nola, third base coach Carlos Cardoza, and field coordinator Jake McKinley. MLBTR covered Nola’s hiring last month.

Cardoza, 39 in January, gets his first job on an MLB staff. The Puerto Rico native has coached professionally for a decade, spending the majority of that time working in the Texas farm system. He served as a minor league manager and has led the Rangers’ Double-A affiliate for the past three seasons. Seattle needed a new third base coach to replace Kristopher Negrón, who departed to take over as Don Kelly’s bench coach with the Pirates.

McKinley is also making his debut on a big league staff. He makes the jump from the college ranks after spending the past three seasons as the head coach at the University of Nevada. (Kendall Rogers of D1 Baseball reported that McKinley was leaving the Wolfpack to join the M’s as field coordinator earlier this week.) The 2025 Mountain West Coach of the Year, McKinley led Nevada to a 19-11 record within conference play to win the regular season conference championship. He’d previously worked in the professional ranks as part of Milwaukee’s player development department.

The rest of Wilson’s staff returns on the heels of the ALCS berth. Bench coach Manny Acta, senior director of hitting strategy Edgar Martinez, hitting coach Kevin Seitzer, assistant hitting coach Bobby Magallanes, pitching coach Pete Woodworth, assistant pitching coach Danny Farquhar, director of pitching strategy Trent Blank, first base coach Eric Young Jr., and infield coach Perry Hill are all back in their previous roles.

Latest On Mariners’ Bullpen Targets

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Mariners general manager Justin Hollander publicly admitted a few weeks back that the club would be looking for bullpen upgrades. Adam Jude of The Seattle Times reports that Seattle plans to add two relievers and hopes to have one locked down by the end of the Winter Meetings next week. Adding a lefty is a priority and Jude lists five names they are considering, with four of them being southpaws. They are Matt Strahm of the Phillies, JoJo Romero of the Cardinals, Jose A. Ferrer of the Nationals, as well as free agents Tyler Rogers and Hoby Milner. Rogers is the lone right-hander in that group. Jude also mentions that the Mariners had interest in right-hander Phil Maton before he signed with the Cubs.

Seattle had a decent bullpen group in 2025. Their relievers had a collective 3.72 earned run average, which was ninth in the majors. Andrés Muñoz is one of the better closers in the game. But just about any club can add an extra leverage arm or two and bump other guys down a peg. That’s particularly true for the Mariners from the left side, as Gabe Speier is their only established southpaw reliever at the moment. Robinson Ortiz is the other lefty reliever on the 40-man but he hasn’t yet made his major league debut.

It’s unlikely that the club will spend a lot on the relief group. President of baseball operations Jerry Dipoto suggested that the M’s will likely begin 2026 with a similar payroll to where they were at the end of 2025. RosterResource estimates that they are currently about $15MM shy of that target. They already re-signed Josh Naylor but could look to further bolster the infield by re-signing Jorge Polanco or Eugenio Suárez. Jude unsurprisingly suggests the M’s aren’t likely to go after a big name reliever like Edwin Díaz or Robert Suarez.

Strahm, 34, is the most established of the bunch. He now has ten big league seasons under his belt. Though he has pushed into his mid-30s, he has remained effective. He just tossed 62 1/3 innings for the Phils this year, allowing 2.74 earned runs per nine. His 7.8% walk rate was a bit better than average and his 27.3% strikeout rate was quite strong. He triggered a vesting option in his contract and will make $7.5MM next year.

All that makes him attractive for the Mariners but also valuable for the Phillies. It’s possible the Phils may be willing to move a lefty due to a relative surplus. They have reportedly received some trade interest since they have Strahm, José Alvarado and Tanner Banks. The Phils have a lot they want to accomplish this winter, including re-signing Kyle Schwarber and J.T. Realmuto while also remaking their outfield and perhaps bolstering the rotation. They have some money to spend but perhaps trading one of their lefties could leave them less reliant on spending their cash.

Romero, 29, is a much more straightforward trade candidate. The Cardinals are rebuilding and he is just one year away from free agency. MLBTR contributor Matt Swartz projects him for a salary of $4.4MM next year. Over the past three years, he has tossed 156 2/3 innings for the Cards with a 2.93 ERA, 22.9% strikeout rate, 8.5% walk rate and 53.3% ground ball rate.

Ferrer, 26 in March, is also on a rebuilding club. However, he’s under club control for four more years and hasn’t yet qualified for arbitration, so the Nats don’t really need to trade him anytime soon. They are surely hoping to return to contention within his window of control but they may be open to a trade anyway, given that a pitcher can get hurt at any time and reliever performance tends to be volatile.

In Ferrer’s career, he has an unimpressive 4.36 ERA but that might mask his true skills. He is a ground ball guy and the Nats have been one of the worst defensive clubs in recent years, so perhaps a change of scenery would help him unlock a new gear in terms of run prevention. In 76 1/3 innings for the Nats this year, his 21.9% strikeout rate was just shy of league average. His 4.9% walk rate and 62.6% ground ball rate were both excellent. His 4.48 ERA doesn’t look great but his 3.03 FIP and 2.85 SIERA provide more optimism about him thriving in a different environment.

Milner, 35 in January, has a somewhat similar grounder-heavy profile to Ferrer. He has logged at least 64 innings in four straight seasons now. Over that 2022-25 span, he has thrown 264 frames with a 3.55 ERA, 22.6% strikeout rate, 5.8% walk rate and 51.1% ground ball rate. Despite the solid track record, he was only able to secure a one-year, $2.5MM deal from Texas last winter. Perhaps he’ll have some extra earning power after finishing another solid season but he’s also a year older.

Rogers, 35 this month, is one of the most unique pitchers in the game. Not to be confused with his lefty brother Taylor, Tyler is the submarining righty. He doesn’t rack up strikeouts but he is one of the best in the game when it comes to staying healthy, avoiding walks and inducing grounders as well as soft contact. He has logged at least 70 innings in five straight campaigns. Dating back to the start of 2021, he has 378 1/3 innings with a 2.71 ERA, 17% strikeout rate, 4.4% walk rate, 56.3% ground ball rate and consistently strong numbers in terms of exit velocity allowed. He is a free agent for the first time and should be in high demand but some teams may be scared off by his age and lack of velocity, as he can barely even get into the 80s with his fastballs.

Photo courtesy of Jayne Kamin, Oncea-Imagn Images

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