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Rays Designate Tristan Peters For Assignment

By Darragh McDonald | December 16, 2025 at 3:20pm CDT

The Rays announced that outfielder Tristan Peters has been designated for assignment. That’s the corresponding move for their signing of left-hander Steven Matz, whose two-year deal is now official.

Peters, 26 in February, got to make his major league debut in 2025. The Rays added him to their 40-man roster in August but he was mostly kept on optional assignment. He only got into four games with 12 plate appearances in total. He didn’t get a hit or a walk and struck out seven times.

That’s obviously a small sample size. In the minors, Peters has done a lot of things well without a standout tool. His 11.7% walk rate and 18.1% strikeout rate are both a bit better than average. He has hit a few home runs but never more than 15 in a season. He can also steal about 15ish bases a year. He can play all three outfield slots.

The total package was enough to get him up to the big leagues but the Rays don’t view him as a key building block. Now that he’s been bumped off the 40-man, he’ll be in DFA limbo for a week at most. The waiver process takes 48 hours, so the Rays could take five days to see if there’s any trade interest. Peters still has a couple of options and just a handful of service days. If any club acquires him, he could be a depth outfielder with roster flexibility and years of cheap control. If he is passed through waivers unclaimed, he would stick with the Rays as non-roster depth.

Photo courtesy of Steven Bisig, Imagn Images

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Tampa Bay Rays Transactions Steven Matz Tristan Peters

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Reds To Sign Caleb Ferguson

By Anthony Franco | December 16, 2025 at 3:10pm CDT

3:10pm: It’s a one-year contract, according to Gordon Wittenmyer of The Cincinnati Enquirer.

3:01pm: The Reds agreed to a deal with lefty reliever Caleb Ferguson, reports Ken Rosenthal of The Athletic. The signing is still pending a physical.

Ferguson adds a needed left-handed option to Terry Francona’s bullpen. The Reds bought out Brent Suter at the beginning of the offseason. That left them with Sam Moll as their only lefty reliever. He had been up-and-down from Triple-A this year and gave up 16 runs across 18 1/3 MLB innings. Moll gets a decent number of whiffs and ground-balls and was a solid middle reliever between 2022-24, but the Reds couldn’t enter the season relying on him as their best option.

The 29-year-old Ferguson is coming off a solid season split between the Pirates and Mariners. He made a career-high 70 appearances and posted a 3.58 earned run average through 65 1/3 innings. He recorded 14 holds while relinquishing five leads. Ferguson got a lot of weak contact, but he benefitted from an unsustainably low home run rate and batting average on balls in play. That will probably tick back up in 2026, though it’s possible he compensates by missing more bats than he did this past season.

Ferguson is coming off an 18.9% strikeout rate that is by far the worst mark of his career. He had punched out at least a quarter of opposing hitters in each of his first six seasons. That’d be greater cause for concern if it were accompanied by a drop in his raw stuff. Ferguson’s 94 MPH average fastball speed was in line with that of prior years. He cut back on the four-seam fastball to more frequently use a sinker against left-handed batters. The result, as one might expect, was a drop in whiffs but a spike in ground-balls. Ferguson also did a much better job throwing strikes against southpaws, whom he held to a .184/.261/.204 line with zero home runs in 115 plate appearances.

More to come.

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Cincinnati Reds Transactions Caleb Ferguson

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Rays Sign Steven Matz

By Anthony Franco | December 16, 2025 at 3:10pm CDT

December 16th: The Rays have now officially announced the Matz signing. Outfielder Tristan Peters has been designated for assignment as the corresponding move. Per Marc Topkin of the Tampa Bay Times, it is indeed a $15MM guarantee, with a $7.5MM salary in each year. There’s also a $500K assignment bonus if he’s traded.

December 9th: The deal is for $7.5MM per year, according to Brittany Ghiroli and Ken Rosenthal of The Athletic. Unless there are other factors such as bonuses or options, it seems to be a $15MM guarantee.

December 8th: The Rays are reportedly in agreement with free agent left-hander Steven Matz on a two-year contract. The signing is pending a physical, and salary terms for the VC Sports Group client have yet to be reported. Marc Topkin of The Tampa Bay Times first reported the sides were closing in on what was likely to be a two-year contract. The Rays’ 40-man roster is full, so they’ll need to designate someone for assignment once the contract is finalized.

Matz spent the 2025 season working out of the bullpen. The 11-year big league veteran split the season between the Cardinals and Red Sox. He combined for 76 2/3 innings of 3.05 ERA ball. Matz has a long background as a starter and worked in a swing role with St. Louis as recently as 2024. He could compete for a rotation spot or work multiple innings out of Kevin Cash’s bullpen.

The 34-year-old just wrapped up a four-year, $44MM free agent deal that he’d signed with St. Louis. That didn’t go as the Cardinals planned. Matz had a difficult time staying healthy. He missed most of the 2022 season to a shoulder impingement. A lat strain shelved him in the second half of the following season, and a lower back injury wiped out much of 2024.

Matz combined for just 197 1/3 innings over the first three seasons. He posted a 4.47 ERA with an average 21.9% strikeout percentage. The Cards only gave him a pair of spot starts this year. He still frequently worked into a second inning out of the bullpen but wasn’t tasked with as significant a workload. Matz managed to stay healthy and turned in arguably his best season since 2021.

Over his first 55 innings, the southpaw turned in a 3.44 earned run average while striking out 20.7% of batters faced. The Cards dealt him to Boston at the deadline. His already middling strikeout rate dropped another six points with the Red Sox, though he managed to outperform his peripherals with a 2.08 ERA through 21 2/3 innings. Matz ranked among the bottom 10 relievers (minimum 50 innings) with a 7.8% swinging strike rate. He succeeded with excellent control, issuing walks at a career-low 3.6% clip. He pitched particularly well as a specialist, holding left-handed batters to a .211/.242/.341 batting line in 129 plate appearances.

Tampa Bay has a pair of power lefty relievers in Garrett Cleavinger and Mason Montgomery. Cleavinger is quietly one of the best in the game. Montgomery has the stuff to be an impact arm in his own right, but his control remains a significant question. He still has a pair of minor league options and can bounce between Tampa Bay and Triple-A Durham. Matz provides a different look as a control specialist but has decent velocity, averaging 94.5 MPH on his sinker.

There’s a decent amount of uncertainty in the rotation behind Drew Rasmussen and Ryan Pepiot. The Rays have Shane McClanahan and Shane Baz lined up for spots. McClanahan will be on an innings limit after consecutive missed seasons. Baz was inconsistent and is at least a theoretical trade candidate. Ian Seymour is probably the in-house favorite to work as the fifth starter, but Tampa Bay is likely to add a veteran innings eater or two. It remains to be seen if the Rays will give Matz an opportunity to compete for a back-end rotation job.

Image courtesy of Vincent Carchietta, Imagn Images.

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Newsstand Tampa Bay Rays Transactions Steven Matz Tristan Peters

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Giants To Sign Adrian Houser

By Steve Adams | December 16, 2025 at 3:00pm CDT

The Giants and righty Adrian Houser are in agreement on a two-year, $22MM contract, reports ESPN’s Jeff Passan. Houser, a client of the BBI Sports Group, will presumably step right into San Francisco’s rotation next season after a rebound showing in 2025. The Giants, who also announced a one-year deal with former Tigers closer Jason Foley less than an hour ago, will need to free up a pair of 40-man roster spots, as they were already at capacity prior to either of those two agreements.

Houser, who’ll turn 33 in February, was a steady presence in the Milwaukee rotation for several years. From 2021-23, Houser started 68 games for the Brewers (in addition to five relief outings) and logged a 3.94 ERA. His 17.6% strikeout rate and 9.4% walk rate were both worse than average, but Houser piled up grounders at a 51.3% rate and managed to consistently avoid the long ball (0.83 HR/9).

The Brewers traded Houser to the Mets in the 2023-24 offseason, ahead of what was set to be his final season of club control. He struggled through his lone year in Queens (5.84 ERA in seven starts and 16 relief outings) before being designated for assignment and cut loose. He wound up settling for a minor league contract with the Rangers in free agency last winter. Texas didn’t bring him up to the big leagues prior to an opt-out date, so Houser returned to the market and signed a big league deal with the White Sox — a decision that now stands as a turning point in his career.

Houser hit the ground running and never looked back. In 11 starts with the ChiSox, he pitched 68 2/3 innings of 2.10 ERA ball. As was the case in Milwaukee, Houser posted a strikeout rate well shy of the 22% league average (17.1%), but he did so with better command (8% walk rate) and even fewer round-trippers (0.39 HR/9). Houser’s home run suppression didn’t seem sustainable; only 4.6% of the fly-balls he surrendered with the Sox turned into homers — miles south of the league-average 11.9% mark and his own career mark of 11.5%.

Following a trade to Tampa Bay, Houser indeed saw his home run luck run out. His homer-to-flyball rate jumped to 11.9%, and he averaged 1.12 homers per nine frames. The resulting 4.79 ERA was pretty closely in line with his 4.62 SIERA with Chicago. Still, Houser proved a durable source of innings down the stretch for the Rays, pitching 56 1/3 frames across 10 starts. Overall, he finished out the season with a 3.31 ERA, 17.8% strikeout rate, 7.3% walk rate, 48.9% ground-ball rate and 0.73 HR/9.

Houser will slot into new skipper Tony Vitello’s rotation behind Logan Webb, Robbie Ray and Landen Roupp. The Giants have a host of candidates for the fifth and final spot on the staff, including (but not limited to) Blade Tidwell, Carson Seymour, Kai-Wei Teng, Trevor McDonald, Hayden Birdsong and well-regarded prospect Carson Whisenhunt.

The Giants have been on the hunt for rotation help this winter, and while they’ve been connected to some of the more prominent names on the market, ownership has publicly expressed a reluctance to commit long-term to a starting pitcher. That’s made fits with pitchers like Tatsuya Imai, Framber Valdez and Ranger Suarez seem unlikely, though it’s at least plausible that the Giants could look to further augment their starting staff.

Given Houser’s inconsistent track record, lack of missed bats and generally unsustainable level of home run suppression with the White Sox, it’s a fairly steep price for the Giants to pay. Then again, San Francisco’s Oracle Park is one of the most pitcher-friendly venues in the sport. Oracle Park is particularly tough on left-handed home run power, which dovetails nicely with Houser’s skill set. He held right-handers to an awful .249/.293/.320 batting line in 2025 (.234/.296/.339 career) but was tagged by lefties for a .274/.356/.456 batting line last season (and .282/.367/.456 for his career).

More to come.

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Mariners Sign Andrew Knizner

By Anthony Franco | December 16, 2025 at 2:35pm CDT

December 16th: The Mariners announced today that they have signed Knizner to a one-year deal. The CAA Sports client will make $1MM, per Daniel Kramer of MLB.com.

December 12th: The Mariners are in conversations with free agent catcher Andrew Knizner on a deal, reports Chris Cotillo of MassLive. If they reach agreement on a big league contract, he’d be in line to back up Cal Raleigh.

Knizner spent the second half of the 2025 season with the Giants. He’d begun the season in Triple-A with the Nationals but was released in the middle of May. He signed a minor league deal with San Francisco and jumped onto the MLB roster a few weeks later. Knizner spent the rest of the season working behind Patrick Bailey. The presence of a two-time Gold Glove winner blocked him from getting much playing time, though he had a brief run as the starting catcher when Bailey missed a week and a half with a neck strain.

The 30-year-old Knizner (31 in February) started 28 of his 32 appearances behind the dish. He stepped to the plate 88 times and hit .221/.299/.299 with one home run. Knizner has played parts of seven MLB seasons between the Cardinals, Rangers and Giants. He owns a .211/.281/.316 batting line in a little under 1000 career plate appearances. The former seventh-round pick has a much better .292/.387/.443 mark across 583 trips to the plate at the Triple-A level.

Knizner has caught more than 2200 major league innings. His early-career defensive grades weren’t great, as public metrics weren’t favorable on his pitch framing. He has rated closer to average in that regard over the past two seasons, though his blocking hasn’t been as strong. His arm strength is middling, and he has thrown out a below-average 16.4% of baserunners in the last four years.

San Francisco opted not to tender Knizner a contract for his final year of arbitration. MLBTR contributor Matt Swartz had projected him for a modest $1.3MM salary, but the Giants want to leave the door open for rookie Jesus Rodriguez to win the backup job in camp. Seattle doesn’t have a second catcher on their 40-man roster. Mitch Garver hit free agency and they traded rookie Harry Ford for lefty reliever Jose A. Ferrer last week.

Knizner has five-plus years of MLB service and cannot be sent to the minors without his consent. If he signed a big league deal, he’d enter camp as the presumed #2 catcher. The Mariners will probably continue looking for depth options via waivers or minor league free agency to push him for that spot, but it’s not a position to which they need to devote many resources. Raleigh will be in the lineup almost every day at either catcher or designated hitter. He started 119 games and logged 1072 innings behind the plate this past season. Only J.T. Realmuto and William Contreras took a heavier workload.

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Seattle Mariners Transactions Andrew Knizner

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Giants Sign Jason Foley

By Steve Adams | December 16, 2025 at 2:28pm CDT

2:28pm: Justice delos Santos of the San Jose Mercury News reports that the Giants are expecting Foley to be ready to go sometime midseason. It doesn’t sound like he’ll be an option for Opening Day.

2:12pm: The Giants announced Tuesday that they’ve signed right-handed reliever Jason Foley to a one-year, major league contract. The Wasserman client missed most of the 2025 season due to shoulder surgery and was non-tendered by the Tigers last month. ESPN’s Jesse Rogers reports that Foley is guaranteed $2MM on the deal. The Giants haven’t announced a corresponding 40-man move but will need to do so soon, as they were already at capacity prior to signing Foley.

From 2021-24, Foley was a frequently used high-leverage arm with the Tigers, even climbing to the team’s closer rank in 2024, when he paced Detroit with 28 saves. He’s pitched 199 2/3 innings in the majors and sports a 3.16 earned run average. Foley’s career 18.1% strikeout rate is well below average, but he sports a strong 6.2% walk rate and a huge 54.1% ground-ball rate in his career, which should mesh well with the left-side infield tandem of Matt Chapman and Willy Adames.

Prior to his injury, Foley sat just under 97 mph with a power sinker that he threw at a near-62% clip. The 6’4″ righty complemented his two-seamer with a slider sitting 87.5 mph and a seldom-used changeup that sat 91.1 mph. Foley was surprisingly optioned to Triple-A Toledo following a relatively shaky spring training performance. He pitched well with the Tigers’ Toledo affiliate (6 2/3 shutout innings) but showed diminished velocity (95.3 mph average sinker) before hitting the minor league injured list.

About six weeks after that injury, the Tigers called Foley up to the MLB roster and placed him on the major league 60-day IL. That granted him major league service for the remainder of the season, but Foley spent enough time in Triple-A and on the minor league injured list that he didn’t accrue a full year of service in 2025. After entering the season with 3.033 years of service, he finished it out at 3.150. As such, he’ll be controllable via arbitration for two seasons beyond the 2026 campaign.

With Foley seemingly still on the mend, this is more of a long-term play than an immediate jolt to a Giants bullpen that’s in clear need of arms. San Francisco traded Camilo Doval and Tyler Rogers prior to July’s trade deadline and lost breakout right-hander Randy Rodriguez to Tommy John surgery in late September. Ryan Walker, Erik Miller, Jose Butto and JT Brubaker are the only current members of the bullpen who were both healthy in 2025 and have even one year of major league service time. (San Francisco also signed lefty Sam Hentges in free agency earlier this winter, but as with Foley, he missed 2025 due to shoulder surgery.)

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Detroit Tigers San Francisco Giants Transactions Jason Foley

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Phillies’ Outfield Largely Set; Justin Crawford To Get Opportunity In Center

By Steve Adams | December 16, 2025 at 1:53pm CDT

The Phillies finalized their one-year deal with free agent outfielder Adolis Garcia, and that’s likely to be their only notable addition in the outfield this winter, it seems. President of baseball operations Dave Dombrowski tells the team’s beat that the outfield is “pretty well set” (via Scott Lauber of the Philadelphia Inquirer). Garcia is expected to play right field regularly. Brandon Marsh will be in left field versus right-handed pitching. Most notably, top prospect Justin Crawford will be given a chance to take the center field job and run with it.

“If you’re going to give Crawford an opportunity, you’ve got to give it to him, and that’s where we are,” said Dombrowski. “We’re going to give him an opportunity and have him play a lot.”

Crawford, 22 next month, was Philadelphia’s first-round pick (17th overall) in 2022. He’s considered to be among the game’s top 100 prospects at both MLB.com (No. 54) and Baseball America (No. 83). There was talk of a potential midsummer promotion this past season, but Philadelphia’s acquisition of Harrison Bader (now a free agent) presumably contributed to the decision to leave Crawford in the minors, where he thrived with the Phillies’ top affiliate. Based on today’s comments from Dombrowski, a reunion with Bader seems unlikely.

Crawford has minimal power but plus speed that could make him a rangy, quality defender in center. He also upped his walk rate to a career-high 11.5% in 2025, nearly doubling his rate from 2024, while hitting .334/.411/.452 with seven homers and 46 steals (in 57 tries) at the Triple-A level this past season. Crawford struck out in 18% of his plate appearances and made the most of his wheels, putting nearly 60% of his batted balls on the ground.

If nothing else, a Marsh-Crawford-Garcia trio should have a strong floor as a defensive trio. Marsh has plus grades in left field throughout his career (19 Defensive Runs Saved, 9 Outs Above Average in 1751 innings), Crawford can fly (though some scouting reports suggest he needs further work on his reads and jumps), and Garcia has been an above-average to plus right fielder every season except 2024 (when he’d suffered a strained patellar tendon in the final weeks of the preceding season). For a club that spent much of last year trotting Marsh out in center field, where he’s miscast, and gave a team-leading 1208 outfield innings to Nick Castellanos, the defensive upgrade should be immense.

As for Castellanos, it seems increasingly clear that his Phillies tenure has come to an end. He’s owed $20MM next season, the last of a five-year, $100MM contract that hasn’t gone as the team hoped. Castellanos hasn’t hit like he did in Chicago and Cincinnati prior to signing with the Phils, and his long-maligned glovework has only worsened. The Phillies have been trying to offload a portion of his contract — no one is taking more than a small fraction of it — without success. It’s expected that he’ll be released if no trade comes to fruition.

The Philadelphia outfield isn’t so much remade as it is reshuffled, and it bears emphasizing that there are still concerns on the offensive side of the coin. Crawford has yet to take a major league plate appearance. Garcia was a star-caliber hitter with the 2021-23 Rangers, keying their 2023 World Series victory in many regards, but he’s seen a stark decline in performance over the past two seasons. Texas non-tendered him last month, and he’s a pure rebound play for the Phillies heading into the 2026 season.

Meanwhile, Marsh was productive overall in 2025 but is a career .213/.278/.303 hitter versus fellow lefties. He’ll need a platoon partner, clearly. In-house options include Edmundo Sosa, Weston Wilson, Otto Kemp, Johan Rojas and waiver claim Pedro Leon.

Neither Wilson nor Rojas hit lefties well in 2025. Leon has an uneven track record against southpaws in the minors but hit them well in 2024 before barely playing in 2025 due to injury. He’s a 27-year-old with only 21 MLB plate appearances, however. Sosa crushed lefties last year, but the Phils only put him in the outfield for a total of 11 innings. He’s primarily an infielder. Kemp popped four homers in 74 plate appearances versus lefties but also fanned at a 35.1% clip in those matchups. Like Sosa, he spent the bulk of his time in the infield, too.

The Phillies could look to address that platoon bat for Marsh with any number of those in-house options, but despite Dombrowski’s statement today, it also wouldn’t be a huge shock to see them keep an eye on the periphery of the free agent market for righty-swinging outfielders. There aren’t a ton of options out there, but names like Randal Grichuk, Austin Slater and Chas McCormick could all potentially help out. The trade and waiver markets will be worth monitoring as well.

That’ll all take a backseat to one other critical area, however. Dombrowski noted today that catching is “really our main focus” (also via Lauber) and reiterated a desire to re-sign J.T. Realmuto. The Phillies reportedly have an offer out to Realmuto’s camp. A reunion is generally expected, but if he signs elsewhere the Phils would be left looking, with Rafael Marchan and Garrett Stubbs atop the depth chart. Danny Jansen is already off the board on a two-year deal with Texas, leaving Victor Caratini as the top non-Realmuto option in free agency.

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Philadelphia Phillies Adolis Garcia Brandon Marsh Harrison Bader J.T. Realmuto Johan Rojas Justin Crawford Nick Castellanos Otto Kemp Pedro Leon Rafael Marchan Weston Wilson

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Trenton Brooks, Nathan Wiles Sign With KBO’s Kiwoom Heroes

By Darragh McDonald | December 16, 2025 at 1:39pm CDT

The Kiwoom Heroes of the Korea Baseball Organization announced their four foreign-player signings for the 2026 season, as relayed by Yoo Jee-ho of Yonhap News Agency. They have re-signed right-hander Raúl Alcantara, who pitched for the Heroes in 2025. They have also added first baseman Trenton Brooks, right-hander Nathan Wiles and Japanese right-hander Yuto Kanakubo. Alcantara will earn a $700K salary with $200K in incentives available. Wiles gets a $910K salary. Brooks gets $700K plus $150K in incentives. Kanakubo gets $100K with $30K in incentives available.

For many years, KBO teams have been limited to having three non-Korean players on their rosters. Starting in 2026, that number will jump to four, but one must be from another Asian country or Australia. In effect, KBO teams are still capped at three North American players, but the new rule has allowed the Heroes to add Kanakubo.

Brooks, 30, has had a lot of minor league success but hasn’t yet translated it to the big leagues. That’s a pretty common arc for a player heading overseas. He’s had brief looks in the majors with the Padres and Giants, getting 72 plate appearances in total with a dismal .136/.208/.212 line. But from 2021 to 2025, he took 1,994 plate appearances at the Triple-A level with a 13.9% walk rate and 16.6% strikeout rate while launching 66 home runs. His combined line of .279/.382/.472 translated to a wRC+ of 117.

Despite the consistently solid offense, Brooks was stuck in Quad-A status for a while. That’s perhaps due to his limited defensive abilities, as he’s mostly a first baseman with some experience in the outfield. He didn’t get to make his major league debut until he was almost 29 years old. The Padres passed him though waivers unclaimed in August.

If had he stayed in North America for the 2026 season, he likely would have been limited to minor league deals. By heading to South Korea, he will secure a guaranteed salary pretty close to the MLB minimum, which will be $780K next year. If he thrives with the Heroes, he could try to come back to the majors down the road or he could parlay his success into another deal in Asia.

Wiles, 27, just made his major league debut by tossing one inning for Atlanta back in April. He spent the majority of the season on optional assignment. He logged 112 2/3 innings at the Triple-A level with a 3.04 earned run average, 22.2% strikeout rate and 7.2% walk rate. He has generally had good control throughout his minor league career but without huge strikeout or ground ball totals.

Atlanta released him in November. Like Brooks, he was likely looking at minor league deals if he stayed in affiliated ball. Heading overseas gives him a chance to pitch on a bigger stage. Even if he had secured a major league deal, his salary would likely have been less than this deal with the Heroes.

Pitchers returning from pitching in Asia has become a popular route to take. Just this offseason, Cody Ponce, Drew Anderson, Anthony Kay, Foster Griffin and Ryan Weiss have signed multi-million-dollar deals after stints in Japan or South Korea. Wiles is still relatively young and could follow in those footsteps.

Alcantara pitched in the majors in 2016 and 2017. He’s been pitching for various Japanese and Korean clubs since then. He spent 2025 with the Heroes and gave them 121 innings with a 3.27 ERA. Kanakubo is a 26-year-old who has spent his career with the Yakult Swallows in Japan’s Nippon Professional Baseball but that club has mostly kept him in the minors. He hasn’t topped 14 innings pitched at the top level in Japan in any of the past four seasons.

Photo courtesy of Denis Poroy, Imagn Images

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Korea Baseball Organization Transactions Nathan Wiles Raul Alcantara Trenton Brooks

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Nationals To Sign Foster Griffin

By Darragh McDonald | December 16, 2025 at 1:30pm CDT

The Nationals are going to sign left-hander Foster Griffin, reports Robert Murray of FanSided. It’ll be a one-year, $5.5MM contract with another $1MM in incentives for the Excel Sports Management client. The Nats have 40-man vacancies and won’t need to make a corresponding move.

Foster GriffinGriffin, now 30, got some brief major league action a few years ago. He made seven appearances, split between the Royals and Blue Jays, over the 2020 and 2022 seasons. He has spent the past three years in Japan, pitching for the Yomiuri Giants of Nippon Professional Baseball, with great success.

He tossed 315 2/3 innings over those three campaigns, allowing 2.57 earned runs per nine. He struck out 25.1% of batters faced, only gave out walks to 5.1% of opponents and kept about half of balls in play on the ground. In 2025, a leg injury limited him to just 78 innings but it was his best season in terms of run prevention. He posted a 1.62 ERA with a 25.1% strikeout rate, 5.9% walk rate and 48.9% grounder rate.

Despite the solid numbers, there are some questions about whether how his stuff will translate to North American ball. Griffin’s fastball only sits in the low 90s, fairly soft by modern standards. He succeeds with a deep arsenal which also includes a slider, cutter, changeup, splitter, curveball and two-seamer.

It has been a relatively busy winter in terms of guys returning to North America after stints overseas. Cody Ponce got $30MM over three years from the Blue Jays. The White Sox gave Anthony Kay $12MM over two years. Drew Anderson got one year and $7MM from the Tigers and Ryan Weiss got one year and $2.6MM from the Astros. All pitchers have had some success in Japan or South Korea but the price differences are likely down to the stuff. Ponce is 6’6″ and 255 pounds with a fastball that averages in the upper 90s with a splitter/kick change that is considered a plus pitch. Griffin isn’t tiny, as he’s listed at 6’3″ and 225 lbs., but his crafty, soft-tossing lefty profile is obviously different than that of Ponce.

It’s still an intriguing package. Recent reporting indicated teams were showing interest in Griffin and that he was putting a priority on an opportunity to prove himself in a rotation. Washington is a good landing spot for him in that regard.

The Nats have been rebuilding for years but have struggled to return to contention. The slow progress prompted major changes, as the club has overhauled almost the entire front office and coaching staff in the past few months. It’s expected that the new regime, led by president of baseball operations Paul Toboni, will be focused on long-term goals. They are one of the clubs best suited to take a chance on an unproven arm like Griffin.

As of right now, the Washington rotation consists of guys like MacKenzie Gore, Cade Cavalli, Josiah Gray, Brad Lord, Griff McGarry, Jake Irvin, Mitchell Parker and others. Gore is just two years away from free agency and is widely expected to be traded this offseason. Cavalli and Gray haven’t pitched much in recent years due to Tommy John surgery. Lord had decent results as a swingman in 2025. McGarry is a Rule 5 pick with no major league experience yet. Irvin and Parker have each logged over 300 big league innings but they each posted an ERA near 6.00 this year.

In short, there’s very little locked into place in the Washington rotation, meaning Griffin should have a shot to hold down a spot. If he succeeds for the first few months of the season, he will likely end up on the trade block, allowing the Nats to potentially bring back more young talent for their rebuild. If it doesn’t work out, it’s a fairly modest bet from the team’s perspective, though it’s a huge amount of money for Griffin himself.

Photo courtesy of Darren Yamashita, Raj Mehta, Imagn Images

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Newsstand Transactions Washington Nationals Foster Griffin

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Cubs To Re-Sign Caleb Thielbar

By Steve Adams | December 16, 2025 at 12:33pm CDT

The Cubs are re-signing veteran left-handed reliever Caleb Thielbar, per Jesse Rogers and Jeff Passan of ESPN. The agreement between the two parties is still pending the completion of a physical. Thielbar is represented by ISE Baseball.

Thielbar, 39 in January, spent his entire big league career prior to the 2025 season with his hometown Twins. He signed a one-year, $2.75MM contract coming off a down showing in his final year with Minnesota and bounced back in a major way with Chicago.

In 58 innings this past season, the South Dakota State product notched a sharp 2.64 earned run average and 25 holds — the latter tying him with Brad Keller (also a free agent this winter) for the team lead. Thielbar struck out 25.5% of his opponents, limited walks at an excellent 5.9% clip, and kept 40.7% of the batted balls against him on the ground (a career-high mark). He tacked on another 3 2/3 scoreless frames in the postseason.

While he doesn’t throw particularly hard (92.8 mph average fastball in ’25), Thielbar still managed to post a roughly average swinging-strike rate and an above-average strikeout rate thanks to dominant performances from his curveball and slider alike. Opponents hit just .135 and slugged .231 against the former while batting .169 and slugging .254 versus the latter. Thielbar dominated left-handed hitters (.161/.211/.276) and right-handed hitters (.205/.248/.342) alike during his lone season with the Cubs.

Thielbar is the third free-agent addition to the Cubs’ bullpen this winter, joining fellow southpaw Hoby Milner (one year, $3.75MM) and right-hander Phil Maton (two years, $14.5MM). Thielbar and Milner give manager Craig Counsell a pair of experienced southpaws, both of whom he’s previously managed, and create the potential for a trio of southpaws, should Luke Little also make the club. Thielbar, Milner and Maton will combine to help bridge the gap between the rotation and young closer Daniel Palencia.

There’s still room for Chicago to make further additions to the bullpen, which has at least three spots earmarked for relatively untested arms. Each of their bullpen pickups thus far has also been relatively low-cost in nature, leaving room for a significant addition elsewhere on the roster. The Cubs have been at least loosely tied to top free agents like Ranger Suarez, Tatsuya Imai, Alex Bregman and Eugenio Suarez, among others.

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Chicago Cubs Transactions Caleb Thielbar

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