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Phillies Sign Mark Kolozsvary To Minor League Deal

By Mark Polishuk | December 26, 2025 at 10:42am CDT

The Phillies have signed catcher Mark Kolozsvary to a minor league contract, The Athletic’s Will Sammon reports.  The deal contains an invitation for Kolozsvary to attend Philadelphia’s big league spring camp.

Kolozsvary has played in only 11 Major League games, and none since the 2023 season.  Rafael Marchan and Garrett Stubbs are the only other catchers in the Phillies organization with any big league playing time at all, so the 30-year-old Kolozsvary adds some experience to the depth chart.  J.T. Realmuto’s continued stay in free agency remains the biggest question hanging over the Phillies’ catching situation, but given how Marchan and Stubbs also haven’t shown much at the MLB level, adding another catcher to the Spring Training backup competition was likely on the Phils’ to-do list with or without Realmuto back in the fold.

A seventh-round pick for the Reds in the 2017 draft, Kolozsvary’s time with his original team culminated in 10 MLB games and 21 plate appearances during the 2022 season.  The Orioles claimed Kolozsvary off waivers from Cincinnati following the 2022 campaign, and Kolozsvary ended up making a single appearance as a late-game defensive sub during a brief stay on Baltimore’s active roster in June 2023.  The O’s designated him for assignment shortly thereafter and Kolozsvary caught on with the Twins on a minor league deal, and he then spent the 2024-25 seasons playing in the Red Sox farm system.

Kolozsvary has a reputation as a very solid defensive catcher, which has helped him extend his career despite a modest .194/.309/.338 slash line over 407 plate appearances at the Triple-A level (let alone his .200/.238/.450 slash in the small sample size of his 21 PA with the Reds).

Kolozsvary has two minor league options remaining, which is a notable detail because both Marchan and Stubbs are out of options.  While the Phillies avoided arbitration with Marchan and Stubbs by signing them to guaranteed salaries for the 2026 season, neither contract is expensive, and Stubbs’ deal is a split contract.  This opens the door for Kolozsvary to possibly supplant Stubbs as the top depth catcher, though the Phillies’ catching mix remains fluid as long as Realmuto remains unsigned.

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Diamondbacks Sign Luken Baker To Minor League Contract

By Mark Polishuk | December 26, 2025 at 9:40am CDT

The Diamondbacks have signed first baseman Luken Baker to a minors deal, Just Baseball Media’s Aram Leighton reports.  Baker qualified for minor league free agency at the end of the season, and he chose to test the open market rather than stick in the Dodgers’ organization.

A second-round pick for the Cardinals in the 2018 draft, Baker spent most of his career in the St. Louis organization before he was claimed off the waiver wire by the Dodgers in early August.  Baker never saw any MLB playing time in Los Angeles, so his big league resume remains his 73 games played with the Cardinals over the 2023-25 seasons, with a .206/.317/.338 slash line and four home runs to show for 189 plate appearances.

This lack of production didn’t exactly merit more playing time, yet Baker was also blocked to some extent by the presence of Paul Goldschmidt, Willson Contreras, Alec Burleson, and others at first base.  Baker is limited by his lack of defensive versatility, as he has played only first base and DH during his pro career.  This made him an expendable piece even on a Cardinals team that is turning into a rebuild, as Baker is entering his age-29 season.

Baker got his first call-up to the majors on the strength of a huge season with Triple-A Memphis in 2023, when he hit .334/.439/.720 with 33 home runs over 380 PA.  He followed that year up with a 32-homer campaign and a lesser (.231/.345/.535) slash line in Memphis in 2024, but his numbers continued to tail off, as Baker hit only .223/.335/.441 with 18 homers over 409 combined PA with the Cardinals’ and Dodgers’ top affiliates in 2025.  While Baker’s numbers improved greatly after his move from Memphis to Oklahoma City, this may have had less to do with a change of scenery and more to do with the move to the pitcher-friendly Pacific Coast League.

The Diamondbacks’ Triple-A Reno club is also in the PCL, so it wouldn’t be a shock if Baker posts some numbers in 2026 that look pretty gaudy on paper.  There’s no risk for the Snakes in seeing what Baker can do in at least a depth capacity, and if he can turn his raw power into any sort of consistent production at the big league level.  In terms of the MLB roster, the right-handed hitting Baker could be a fit in a platoon situation with the lefty-swinging Pavin Smith at first base and DH, and the D’Backs may be hoping that Baker can follow Smith’s example as a late bloomer who didn’t start to break out in the majors until his late 20’s.

Signing Baker to a non-guaranteed deal shouldn’t prevent the D’Backs from exploring more prominent right-handed bats for this role, such as former Arizona star Paul Goldschmidt.  The Diamondbacks’ infield situation in general remains in something of a state of flux, as rumors continue to swirl that Ketel Marte could be traded, and that the D’Backs could be a dark horse suitor for Alex Bregman.  Such moves wouldn’t necessarily impact the first base role, unless another first base candidate or right-handed bat was potentially brought on board as part of a Marte trade package.

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NPB’s Hanshin Tigers Sign Carson Ragsdale

By Mark Polishuk | December 26, 2025 at 8:25am CDT

The Hanshin Tigers of Nippon Professional Baseball announced that right-hander Carson Ragsdale has signed a one-year contract.  Ragsdale hit the open market after being non-tendered by the Braves last month.

The move to Japan concludes a whirlwind five-month stretch for Ragsdale that saw the 27-year-old change teams four times on the waiver wire, and make his Major League debut.  His breakthrough in the Show consisted of two appearances with the Orioles in September, with very different outcomes — Ragsdale was torched for eight earned runs over three innings in Baltimore’s 11-2 loss to the Blue Jays on September 14, but he rebounded for two scoreless innings in the Orioles’ 6-1 loss to the Yankees on September 27.  As a result, Ragsdale’s career line as a big leaguer is a 14.40 ERA over five innings of work.

These two games represent two separate stints for Ragsdale in an Orioles uniform.  Claimed off waivers from the Giants in early August, Ragsdale was designated for assignment by the O’s after his rough MLB debut, and then claimed by the Braves.  He lasted just over a week in Atlanta’s organization since the Braves DFA’s Ragsdale in order to clear roster space for Charlie Morton, and Ragsdale was claimed again by the Orioles, paving the way for his second outing on a big league mound.  The yo-yo continued for Ragsdale when he was designated at the start of November, and then claimed once more by the Braves.

Signing a guaranteed deal with the Tigers represents some stability for Ragsdale in the wake of this transactional flurry, and a chance to showcase that he can do as a starting pitcher.  Ragsdale has a 5.15 ERA, 21.24% strikeout rate, and 11.73% walk rate over 143 1/3 innings at the Triple-A level, with most of that time spent in the hitter-friendly Pacific Coast League pitching with San Francisco’s top affiliate.  The 2025 season saw Ragsdale post only a 19.5% strikeout rate, after he easily cleared the 30% threshold earlier in his career while pitching in the lower minors.

Eighty of Ragsdale’s 89 career games in the minors came as a starting pitcher, and it can be assumed that the Tigers will give Ragsdale a look in their rotation.  The righty will try to become the latest hurler to re-invent himself with a move to Japan, and performing well in more of a generally pitcher-friendly environment could help boost Ragsdale’s stock for a possible return to North American baseball down the road.

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Athletics, Tyler Soderstrom Agree To Seven-Year Extension

By Anthony Franco | December 25, 2025 at 11:59pm CDT

The Athletics aren’t taking the holiday off. They’re in agreement with outfielder Tyler Soderstrom on a seven-year, $86MM extension, reports Jeff Passan of ESPN. Passan adds that there’s a club option for 2033 and escalators that could push the contract value by another $45MM if the option is exercised. The deal buys out at least three free agent years and potentially a fourth, keeping him under club control through his age-31 season.

Soderstrom becomes the latest core offensive piece whom the A’s lock up on a long-term deal. They extended Brent Rooker and Lawrence Butler on respective $60MM and $65.5MM guarantees last winter. Soderstrom tops those by a decent margin, becoming the largest contract in club history in the process. Their three-year, $67MM free agent deal with Luis Severino had previously been that high-water mark.

The lefty-hitting Soderstrom was a first-round pick in 2020. He’d been an excellent offensive player dating back to high school. The biggest question was where he’d fit on the other side of the ball. While Soderstrom was drafted as a catcher, most scouts felt he’d need to move off the position. That has essentially been borne out, as his only 15 MLB starts behind the dish came during his 2023 rookie season. The fallback for poor defensive catchers is generally first base, and that’s indeed where Soderstrom spent the early part of his big league tenure.

Soderstrom struggled over a 45-game sample as a rookie. His .233/.315/.429 slash across 213 plate appearances in 2024 was a significant step forward but hadn’t yet put him alongside Rooker, Butler and Shea Langeliers as clear members of the A’s core. Soderstrom entered this year with a little pressure in the form of 2024 fourth overall pick Nick Kurtz, a college first baseman who was expected to hit his way to the majors very quickly.

While Kurtz would do just that, Soderstrom’s breakout ’25 campaign ensured the A’s couldn’t afford to take him out of the lineup either. The 24-year-old was one of the league’s best hitters in the first few weeks of the season. He connected on nine home runs with a .284/.349/.560 slash before the end of April. Soderstrom was tied for fourth in MLB (behind only Aaron Judge, Cal Raleigh and Eugenio Suárez) in homers through the season’s first month. By the time Kurtz forced his way to the majors on April 21, Soderstrom was locked into the middle of Mark Kotsay’s batting order.

That presented the A’s with a positional dilemma. Rooker is an everyday designated hitter. The 6’5″, 240-pound Kurtz wasn’t going to be able to play anywhere other than first base. Despite his catching/first base background, Soderstrom is a solid athlete and average runner. The A’s threw him into left field on the fly even though he’d had no professional experience there. They presumably expected to live with some defensive growing pains to keep his bat in the lineup.

Soderstrom dramatically exceeded those expectations. He graded 10 runs better than an average left fielder by measure of Defensive Runs Saved. Statcast graded his range five plays above average. Soderstrom ended the season as a Gold Glove finalist at a position he’d never played five months earlier. He joins Butler as core outfield pieces, ideally in a corner tandem flanking defensive specialist Denzel Clarke in center.

The increased defensive responsibility didn’t impact Soderstrom’s rhythm at the plate. He scuffled between May and June but rebounded with a .305/.359/.530 showing over the season’s final four months. Soderstrom finished with an overall .276/.346/.474 batting line while ranking fourth on the team with 25 homers. He improved his contact rate by six percentage points and held his own against same-handed pitching (.270/.315/.423) while teeing off on righties (.278/.356/.491). The  breakout also wasn’t a product of the A’s playing half their games at the hitter-friendly Sutter Heath Park. Soderstrom had an OPS north of .800 both at home and on the road.

As recently as this past summer, there was speculation about the A’s potentially swapping Soderstrom for a controllable starting pitcher. The extension firmly takes that off the table and ensures he’ll remain alongside Kurtz, Rooker, Butler and Jacob Wilson in an excellent offensive corps. The first three are signed through at least 2029. Kurtz and Wilson are under team control for five seasons. Langeliers has another two seasons of arbitration eligibility.

Soderstrom was already under club control for four seasons. He was a year closer to free agency than Butler was at the time of his extension, which explains why the price was a little more than $20MM higher. Soderstrom tops the $57.5MM guarantee which Royals third baseman Maikel Garcia received in the same service class, but that deal only extended K.C.’s control window by two seasons.

The A’s backloaded the Rooker and Butler extensions, with the highest salaries corresponding to their planned move to Las Vegas in 2028. The salary breakdown on Soderstrom’s deal hasn’t yet been reported. The A’s had a projected payroll around $87MM before today, as calculated by RosterResource. That’s $12MM above where they opened the ’25 season. General manager David Forst told MLB.com’s Martín Gallegos last week that the team was looking to upgrade a rotation that ranked 27th in ERA and 25th in strikeout percentage.

Image courtesy of Charles LeClaire, Imagn Images.

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Athletics Newsstand Transactions Tyler Soderstrom

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Marlins To Sign Pete Fairbanks

By AJ Eustace | December 24, 2025 at 8:55pm CDT

The Marlins and reliever Pete Fairbanks are in agreement on a contract, according to Will Sammon of the Athletic. It is a one-year, $13MM contract for the Republik Sports client, according to Jeff Passan of ESPN. Per Mark Feinsand of MLB.com, the deal includes a $1MM signing bonus and another $1MM in incentives based on appearances. Fairbanks will also receive a bonus of $500,000 if he is traded. The deal is pending a physical. The Marlins have a full 40-man roster and will need to make a corresponding move to make this official.

Fairbanks, who turned 32 last week, is coming off a 2.83 ERA in 60 1/3 innings for the Rays in 2025. Tampa held an $11MM club option on his services for 2026, but they instead paid him a $1MM buyout. We at MLBTR ranked him No. 44 on our Top 50 Free Agents list and projected a two-year, $18MM contract. He now heads to the Marlins on a shorter deal with a higher annual salary and figures to be the team’s closer next year.

The right-hander debuted in 2019 and has pitched 265 1/3 innings with a 3.19 ERA in his seven seasons with the Rays. In that time, Fairbanks has struck out 30.0% of hitters against a 9.3% walk rate thanks to an upper-90s fastball and a mid-80s slider which he uses 44.1% of the time. He also gets groundballs at an above-average 45.1% rate and generally keeps the ball in the park, allowing just 0.81 HR/9.

He has also frequently dealt with injuries, making seven trips to the injured list from 2021-24. He had better health luck this year, as he avoided the injured list and set a career high with 60 1/3 innings pitched. When he’s healthy, Fairbanks is a dominant back-end reliever. In 151 innings as the Rays’ closer from 2023-25, he had a 2.98 ERA while posting a 18.9% K-BB rate and earning 75 saves, which was 12th-highest in the league in that span.

That largely continued in 2025, albeit with a drop in Fairbanks’ advanced metrics. After striking out 37.0% of hitters as recently as 2023, that has fallen to 23.8% in 2024 and 24.2% in 2025. That is still plenty effective, especially as he has lowered his walk rate from 10.9% in 2023 to 7.4% this year. However, it has also come with an uptick in average exit velocity. Hitters averaged 85.7 mph off the bat against Fairbanks in 2023, but that rose to 90.2 mph in 2025. Meanwhile, his four-seamer now sits at 97.3 mph after averaging 98.9 mph in 2023.

Nonetheless, the fact that the current version of Fairbanks has better-than-average strikeout and walk rates with 90th-percentile fastball velocity means that he is still an effective reliever. If anything, the move by the Rays to decline his option was financially motivated. Tampa Bay’s payroll usually ranks near the bottom of the league (29th out of 30 in 2025). They previously signed Fairbanks to a three-year, $12MM extension in January 2023. While $4MM was a comfortable price range for the team, $11MM may have simply been too high a price to commit to one reliever, even one as effective as Fairbanks.

Indeed, the club tried to trade Fairbanks after the season ended, but they couldn’t find any takers. That ended up being a moot point, as he garnered plenty of interest from teams around the league. The Marlins, Diamondbacks, White Sox, and Tigers were publicly known to be interested in the right-hander. Miami always seemed like a logical fit, given the connection between Fairbanks and president of baseball operations Peter Bendix from their time with the Rays.

With the addition of Fairbanks, the Marlins have fortified a bullpen which ranked 23rd in the league with a 4.27 ERA and 17th with a 14.1% K-BB rate in 2025. The best performer of the bunch was right-hander Ronny Henriquez. The 25-year-old pitched 73 innings over 69 appearances this year with a 2.22 ERA and a 32.3% strikeout rate. His 1.3 fWAR was a team high for relievers, while his peripheral stats were slightly higher than his ERA but still excellent. He also earned seven saves throughout the season. It was the best possible outcome for the Marlins, who acquired Henriquez as a waiver pickup last offseason. Unfortunately, news broke two days ago that the righty underwent an internal brace procedure on his throwing elbow. As a result, he will miss the entire 2026 season.

Including Henriquez, the team got a good amount of volume from its bullpen in 2025. Seven Marlins relievers pitched at least 50 innings, with Tyler Phillips’s 77 2/3 innings leading the group. He pitched to a 2.78 ERA and got groundballs at a well-above-average 55.6% rate, albeit with just a 16.6% strikeout rate and middling peripherals. Calvin Faucher and Lake Bachar had ERAs of 3.28 and 3.78, respectively, but with expected values in the mid-4.00s. Meanwhile, Anthony Bender, Cade Gibson, and Valente Bellozo had solid groundball rates but below-average strikeout numbers. The signing of Fairbanks upgrades the group with more velocity, strikeouts, and groundballs while covering for Henriquez’s injury and taking pressure off the younger arms.

According to RosterResource, the signing of Fairbanks brings the Marlins’ projected payroll to $73MM, a slight bump from $70MM in 2025. That figure includes just over $15MM for eight arbitration-eligible players, with $2MM of that going to the recently-signed Christopher Morel (previously non-tendered by the Rays). So far, Morel and Fairbanks have been the club’s only big-league free agent signings, though the club is reportedly willing to spend more than usual this offseason.

Photos courtesy of Nathan Ray Seebeck and Kim Klement, Imagn Images

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Reds To Sign Michael Chavis To Minor League Deal

By Darragh McDonald | December 24, 2025 at 4:50pm CDT

The Reds and infielder Michael Chavis have agreed to a minor league deal, reports Kiley McDaniel of ESPN. The CAA Sports client also receives an invite to big league camp in spring training.

Chavis, 30, returns to North America after a brief stint overseas. He signed with the Chunichi Dragons of Japan’s Nippon Professional Baseball in July. However, he hit just .171/.267/.352 in 38 games for the Dragons.

The Reds have overlooked that small-sample disappointment and brought him aboard via a non-roster pact. Chavis was once a notable prospect, getting selected by the Red Sox in the first round of the 2014 draft. He had a breakout season in 2017 when he launched 31 home runs in the minors. Baseball America ranked him as the #85 prospect in the league going into the 2018 season.

He made a major league debut with a bit of a splash in 2019, hitting 18 home runs in just 382 plate appearances, but with some asterisks. That was the juiced-ball season, so Chavis was one of 151 players to reach the 18-homer mark that year. He also struck out in 33.2% of his plate appearances.

The strikeouts would continue to be a problem and bumped his stock down. In the coming years, he would bounce from Boston to Pittsburgh and Washington while continuing to whiff. He currently has 1,186 big league plate appearances on his statsheet with a 31.9% strikeout rate in those. His 5.4% walk rate is also subpar. Despite launching 42 home runs, his .238/.283/.401 batting line translates to an 80 wRC+, indicating he’s been 20% below average overall.

For the Reds, there’s no real harm in bringing him aboard via a minor league deal. For what it’s worth, his minor league production has been more viable. Dating back to the start of 2024, he has 740 Triple-A plate appearances, only striking out 22.3% of the time. He slashed .270/.339/.483 in that sample for a 103 wRC.

He can also provide plenty of defensive flexibility. He has big league experience at the three non-shortstop infield positions as well as the outfield corners.

The Reds have a lot of moving parts in their position player mix. Matt McLain could be the second baseman but he missed all of 2024 while injured and then had poor offensive results in 2025. Sal Stewart has second base experience in the minors but the Reds utilized him at first and third in the big leagues. Though he performed well down the stretch, he still has just 58 big league plate appearances. The hot corner should be locked down by Ke’Bryan Hayes after he was acquired at the deadline in 2025. If Stewart takes over at first, that could push Spencer Steer to the grass, the same way that Gavin Lux and Noelvi Marté have been largely pushed from the infield to the outfield. Steer, Lux and Marté were all around league average at the plate in 2025. Christian Encarnacion-Strand is also in the corner infield mix but is coming off two straight challenging seasons.

Chavis gives Cincy a bit of experience depth behind that group and can step in if there are openings due to injuries or underperformance. Chavis still has an option remaining, meaning he could be easily sent back to the minors if he gets a 40-man spot at some point.

Photo courtesy of Brad Mills, Imagn Images

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Owen White Signs With KBO’s Hanwha Eagles

By Darragh McDonald | December 24, 2025 at 4:05pm CDT

The Hanwha Eagles of the Korea Baseball Organization announced that they have signed right-hander Owen White. The Wasserman client will make $1MM in the form of a $200K signing bonus and a salary of $800K. Hat tip to Dan Kurtz of MyKBO.net for relaying the news, translated into English.

White, now 26, was a notable prospect a couple of years ago. The Rangers drafted him 55th overall in 2018 but his professional debut wouldn’t come until a few years later. He missed 2019 due to Tommy John surgery and then the Covid-19 pandemic wiped out the minor leagues in 2020.

Once he was back in action, he hit the mound running. Between 2021 and 2022, he tossed 115 2/3 innings in the minors, allowing 3.42 earned runs per nine. His 7.5% walk rate was strong and his 34.1% strikeout rate excellent.

The Rangers gave him a 40-man spot in the 2022-23 offseason to keep him out of the Rule 5 draft. Going into the 2023 campaign, Baseball America ranked White as the #59 prospect in the league.

Since then, however, White has hit a number of speed bumps. He got shelled in his first major league appearances and his results also backed up in the minors. He tossed 207 2/3 innings for the Triple-A Round Rock Express over 2023 and 2024 with a 4.90 ERA. The Express play in the hitter-friendly Pacific Coast League but White’s 18.3% strikeout rate and 11.3% walk rate were both poor figures.

That performance pushed White to the fringe of the Texas roster. He was designated for assignment in December 2024. His past prospect status still attracted a number of teams. Prior to the 2025 season, he went to the Reds, Yankees and White Sox via small deals or waiver claims.

He spent 2025 with the Sox but was mostly kept on optional assignment. He threw only seven big league innings, allowing seven earned runs. Combined with his brief MLB appearances with the Rangers, he now has an unfortunate 12.86 ERA in 14 total innings in the majors.

He also tossed 81 Triple-A innings in Chicago’s system. His 4.44 ERA wasn’t awful and he got grounders on 46.7% of balls in play but his 18.8% strikeout rate and 12.4% walk rate were subpar.

He exhausted his final option season in 2025, meaning he will be out of options going forward, making it harder for him to cling to a roster spot. The Sox passed him through waivers unclaimed in October and he became a minor league free agent shortly thereafter.

If White had stayed in North America, he surely would have been limited to minor league deals. Even if he earned a roster spot with some club in 2026, his salary likely would have been near the $780K league minimum. By heading overseas, he gets a bigger guarantee and an opportunity to showcase himself on a notable stage.

It has become quite common for pitchers to reinvent themselves in Asia and return to North America for big paydays. This offseason alone has seen Cody Ponce, Anthony Kay, Drew Anderson, Foster Griffin and Ryan Weiss get deals with MLB clubs after pitching in Japan or South Korea in 2025. They all got at least a $2.6MM guarantee with Ponce getting all the way up to $30MM. White is still quite young and could go down this path if he’s able to find a new gear with the Eagles.

Photo courtesy of Jayne Kamin-Oncea, Imagn Images

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Nationals To Sign Matt Mervis To Minor League Deal

By Darragh McDonald | December 24, 2025 at 3:23pm CDT

The Nationals and first baseman Matt Mervis have agreed to a minor league deal with an invite to big league camp in spring training. Jon Heyman of The New York Post first reported that Mervis and the Nats had a deal in place. Andrew Golden of The Washington Post specified that it was a minor league deal with a camp invite.

Mervis, 28 in April, hasn’t found much major league success yet. He has appeared in 78 big league games over the past three seasons, stepping to the plate 261 times split between the Cubs and Marlins. He hit ten home runs in that time but also had a subpar 7.7% walk rate and an awful 34.5% strikeout rate. He currently sports a career batting line of .165/.238/.322.

That lack of offense is deadly for his viability. He is one of the slowest players in the majors and can only play first base. He needs to hit to provide value.

The reason he has been given a few major league chances is because his minor league production is vastly superior to what he’s done in the big leagues. He first gained attention as a minor leaguer with the Cubs in 2022. That year, he went from High-A to Double-A and Triple-A, hitting 36 homers on the year.

Since then, even as he has floundered in the majors, he has continued hitting fairly well on the farm. From 2023 to 2025, he has stepped to the plate 1,058 times at the Triple-A level with various clubs. His 25.8% strikeout rate in that time is still a bit high but far better than his big league work. He has also drawn walks at a strong 11.9% clip and hit 56 home runs. He has a combined .257/.354/.510 line and 112 wRC+ in that span, indicating he’s been 12% above league average.

The Cubs traded him to the Marlins last offseason. The Fish outrighted him off their 40-man in June and released him in August. He then landed a minor league deal with the Diamondbacks but didn’t get called up down the stretch and became a minor league free agent at season’s end.

The Nats are a sensible landing spot for him. Not only was he born and raised in the D.C. area but the first base spot is fairly wide open in Washington. They had Nathaniel Lowe as their regular at that position this year but released him in August. They mostly used Josh Bell the rest of the way. He became a free agent after the season and subsequently signed with the Twins.

As of now, Washington’s top first basemen are Andrés Chaparro and Luis García Jr. Chaparro has a .203/.268/.358 batting line in 205 big league plate appearances. García has mostly been a second baseman in his career but his poor defensive grades might get him bumped to first, where he has only 16 big league innings of experience. Even if he can stick at first defensively, he probably doesn’t have the bat for the position, with a career .266/.299/.410 line and 93 wRC+.

With that situation, the Nats clearly need upgrades. Since they are rebuilding, they probably won’t make a big splash there. As spring training approaches, they could perhaps take a low-cost flier on a free agent, depending on who remains unsigned. Guys like Ty France, Rhys Hoskins, Dominic Smith, Carlos Santana, Rowdy Tellez or Justin Turner are some theoretical possibilities.

For now, they have added some non-roster depth. They signed Warming Bernabel to a minor league deal not too long ago and have now brought Mervis into the fold as well. If Mervis can earn a roster spot, he still has an option season remaining and also has less than a year of service time. If he finally clicks in the majors with his hometown team, he can be cheaply retained into the foreseeable future.

Photo courtesy of Stephen Brashear, Imagn Images

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Transactions Washington Nationals Matt Mervis

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Mets To Sign Mike Baumann

By Darragh McDonald | December 24, 2025 at 2:30pm CDT

The Mets and right-hander Mike Baumann have agreed to a deal, according to Jon Heyman of the New York Post. Heyman doesn’t specify whether it’s a major or minor league deal for the CAA Sports client. The Mets have a full 40-man roster and would need to open a spot for Baumann if he’s going on there.

It would be quite a shock if Baumann landed a major league deal. The 30-year-old spent the 2025 season with the Tokyo Yakult Swallows of Japan’s Nippon Professional Baseball. He wasn’t exactly dominant over there. He tossed 15 innings at the top NPB level with a 4.20 earned run average and 11 innings in the minors with a 4.09 ERA.

At the top level, he did strike out 25.3% of batters faced in that small sample but he also gave out walks to 16% of opponents. In the minors, he had a 20.9% strikeout rate and 11.6% walk rate.

If it’s just a minor league deal, then it’s fine for the Mets. It adds some depth without using up a roster spot. Baumann has a bit of major league experience. He tossed 167 1/3 innings over the 2021 to 2024 seasons with a 4.95 ERA, 20% strikeout rate, 10.3% walk rate and 42.7% ground ball rate.

Those numbers weren’t elite but Baumann’s arsenal clearly intrigued teams. His four-seamer and sinker both averaged in the upper 90s. He also featured a low-90s slider in addition to a knuckle curve and a changeup which both averaged in the high-80s.

He began the 2024 season with the Orioles, the club he had played for since being drafted in 2017. But he exhausted his final option season in 2023, meaning his grip on a roster spot had loosened. Over the course of the 2024 season, he went from the O’s to the Mariners, Giants, Angels and Marlins via small trades or waiver claims.

After that hot-potato season, he tried to find a bit more security by heading to Japan. It didn’t pan out, so he has come back to North America and will join the Mets. Assuming this is a non-roster pact, he will try to pitch his way onto the club’s roster. Even if he does so, hanging onto his spot will be tricky on account of his aforementioned out-of-options status.

Photo courtesy of Charles LeClaire, Imagn Images

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New York Mets Transactions Mike Baumann

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Harold Castro Signs With KBO’s Kia Tigers

By Leo Morgenstern | December 24, 2025 at 10:58am CDT

The Kia Tigers of the Korea Baseball Organization have confirmed the four foreign players who will join their team for the 2026 season (h/t to Dan Kurtz of MyKBO). The foursome includes right-hander James Naile, who is entering his third year with the Tigers and whose signing was announced last month; right-hander Adam Oller, who re-signed for a second year with the club; infielder Jarryd Dale, a former Padres prospect and Australian Baseball League player who spent 2025 with NPB’s Orix Buffaloes; and utility player Harold Castro, a six-year MLB veteran who is heading overseas for the first time in his career.

Castro, a client of the MAS+ Agency, spent more than a decade in the Detroit Tigers organization. He signed in 2010 as an international free agent out of Venezuela, and eight years later, he made his big league debut at Comerica Park. Over parts of five seasons with MLB’s Tigers, he played in 351 games, appearing at every position except catcher. His .286 batting average was impressive, and his defensive versatility was valuable, but that was about all he contributed. He didn’t hit for power, he rarely walked, and his defense graded out poorly (albeit in small samples) wherever he played. 

Detroit non-tendered Castro after the 2022 season, and he signed a minor league deal with the Rockies. The utility man cracked Colorado’s roster out of camp and stuck around all season, though he struggled to hit even at Coors Field. Finishing with a .589 OPS and 45 wRC+, Castro produced a -1.5 FanGraphs WAR, third-last among all MLB players in 2023.

The Rockies cut Castro soon after the season ended, and he would eventually sign with the Toros de Tijuana of the Mexican League. He hit well with the Toros in 2024 and even better for Leones del Caracas of the Venezuelan Winter League the following offseason, enough so that he landed a minor league offer from the Royals for the 2025 campaign. Despite Castro’s best efforts at Triple-A  – 21 home runs, a .307 batting average, and a 129 wRC+ in 99 contests – he never got the call to the majors. Yet, he clearly impressed the Kia Tigers, who signed the 32-year-old to a contract worth $1MM USD for 2026. He replaces Patrick Wisdom on their roster, who was no slouch in his first KBO season, hitting 35 home runs with a 126 wRC+.

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Korea Baseball Organization Transactions Adam Oller Harold Castro

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