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Poll: Should The Mets Trade Mark Vientos?

By Nick Deeds | December 17, 2025 at 12:51pm CDT

After losing Pete Alonso to the Orioles in free agency and trading Brandon Nimmo to the Rangers, the Mets will need to reconfigure their lineup in a big way this winter. They’ve already added some of the pieces with which they’ll try to do that, bringing in Marcus Semien as the return for Nimmo and following that up by signing Jorge Polanco, but there’s clearly more work to do. It’s with that backdrop that reporting yesterday indicated the Mets could look to trade infielder Mark Vientos this winter, perhaps while eyeing the addition of a big bat to the lineup.

Trading Vientos certainly has some merit. The 26-year-old was a merely league average hitter by the numbers this year, with a 97 wRC+ thanks to his 40 extra-base hits (including 17 homers) propping up a paltry .289 on-base percentage. That sort of production won’t cut it for a poor defensive third baseman who figures to get the majority of his playing time at first base or DH next year, but his youth and power potential could still be enough to catch the eye of some teams in need of right-handed pop in their lineup, with the Mets perhaps getting some pitching back in return.

With that being said, trading Vientos wouldn’t come without risk. Still in his mid-20s, Vientos has already demonstrated the ability to potentially be an All-Star caliber bat. In 2024, he slashed .266/.322/.516 (132 wRC+) with 27 homers in 111 games. It was a strong enough performance to play as a regular at first base or overlook his defensive deficiencies at the hot corner. If the youngster can rediscover that form, he would offer the Mets a major boost. After all, the Mets themselves need additional righty pop in the lineup after losing Alonso. Letting their veteran slugger walk was already tough for fans to stomach and it would surely get even worse if Alonso’s heir apparent was traded away and broke out somewhere else.

How likely is a return to form for Vientos? The underlying metrics are mixed. Vientos didn’t live up to his expected numbers last year, which could be a sign that some positive regression is on the way. He actually lowered his strikeout rate substantially, dropping from 29.7% in 2024 to just 24.8% this year. Those are good signs and his .277 BABIP this season seems likely to improve going forward. With all of that being said, however, there are certainly some red flags. While his BABIP is likely to improve from last year, it’s unlikely to reach the level of his .324 mark from 2024. While his strikeout rate dropped by nearly five points, his once-elite barrel rate dropped by nearly three. In all likelihood, his true talent level lies somewhere between his weak 2025 and his impressive 2024.

The question then becomes about which side of the spectrum Vientos is more likely to fall on. If he figures to offer a bat with a wRC+ of 120 or greater on a consistent basis going forward, that would be hard to part with for a team in need of right-handed power like the Mets. With that said, if Vientos is more likely to be just a touch better than league average this year, it would be fair to wonder if the Mets would be better off focusing on adding a more impactful player like Kazuma Okamoto and Munetaka Murakami to the first base/DH mix.

Perhaps going with a free agent hitter in Vientos’s place and turning Vientos into a trade chip for pitching would be a smart call. Despite his uneven performance, other clubs would surely be interested in him, especially since he’s cheap. He has not yet qualified for arbitration and can be controlled for four full seasons before he’s slated for free agency.

With that said, it’s also worth considering how a more expensive addition like Okamoto or Murakami could impact the Mets’ ability to pursue an impactful outfielder. Cody Bellinger has been tied to the Mets frequently this winter, and while the rumors connecting the club to Kyle Tucker haven’t been nearly as ubiquitous, the possibility of a deal there is worth considering given the club’s need for outfield help and the small numbers of teams that could realistically meet his rumored asking price. If sticking with Vientos gave the Mets a better shot to land a big outfield bat, then perhaps the club would be better off keeping Vientos in the fold and trying to deal other young players and prospects for pitching help.

How do MLBTR readers think the Mets should proceed with Vientos? Should they keep him, risking an underwhelming 2026 season in order to keep their focus on improving the outfield in free agency? Or should they trade him and risk a breakout elsewhere in order to add more certainty to the lineup? Have your say in the poll below:

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MLBTR Originals MLBTR Polls New York Mets Mark Vientos

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Mets To Sign Luke Weaver

By Steve Adams and Darragh McDonald | December 17, 2025 at 12:25pm CDT

The Mets are working to finalize a two-year, $22MM deal with free agent reliever Luke Weaver, reports Joel Sherman of the New York Post. The two sides have an agreement in place, per Will Sammon of The Athletic. The deal is pending a physical. Weaver is repped by Excel Sports Management. The Mets have a full 40-man roster and will need a corresponding move to make this deal official.

The two-year, $22MM terms are the exact same ones as the just-agreed-upon deal between the division-rival Phillies and righty Brad Keller. Like Keller, Weaver is a starter-turned-reliever who’s found notable success pitching near the back of a big-market contender’s bullpen.

Weaver, 32, has spent the past two-plus seasons as a key late-inning arm over in the Bronx. A rocky finish to the 2025 season inflated his earned run average to 3.62 but since signing with the Yankees late in the 2023 campaign, Weaver touts a 3.22 ERA, 29.4% strikeout rate and 7.5% walk rate in 162 innings of relief. He saved a dozen games and picked up 43 holds along the way, blowing only four other opportunities in that time. It’s presumably just coincidence, but the Mets now employ Weaver, Devin Williams and Clay Holmes (who’s moved into the rotation) — the Yankees’ three highest-leverage arms for the bulk of the 2024-25 seasons.

A first-round pick by the Cardinals back in 2014, Weaver debuted in the St. Louis rotation in 2016 and showed some promise as a starter there in 2017-18. The Cards flipped him to the D-backs as part of the return for star first baseman Paul Goldschmidt, and Weaver looked to be on the cusp of a full-fledged breakout in 2019. He started a dozen games and pitched to a 2.94 ERA with plus strikeout and walk rates before a forearm strain ended his season. Subsequent shoulder and elbow injuries doomed the rest of Weaver’s D-backs tenure; from 2020-23, he pitched to a 5.95 ERA while bouncing between five clubs.

The last of those five stops, however, was in the Bronx. He made enough of an impression in three late-season starts to sign a $2.5MM big league deal in the offseason — one that contained a 2025 club option. It proved to be a raucous bargain for the team and a career-saving deal for Weaver, who rebuilt himself into a coveted bullpen arm and now lands the largest payday of his 12-year professional career. Despite that strong run in the Bronx and some reported interest in a reunion, the Yanks were not in the bidding for Weaver, per Sherman.

Back in September, Weaver expressed some openness to returning to a starting role if a team gave him a chance, but that doesn’t seem to be at play here. Anthony DiComo of MLB.com writes that Weaver will slot into the bullpen. It’s unclear if that’s sourced reporting or deduction but there hasn’t been anything to suggest the Mets plan on giving Weaver a rotation gig. The price of Weaver’s deal is right around expectations. At the beginning of the offseason, MLBTR predicted him for an $18MM guarantee over two years, an estimate that he has marginally beaten.

New York had a middling bullpen in 2025. Their collective 3.93 ERA was 15th in the majors. It was even worse later in the year as the season slipped away from the club. Over August and September, the relief corps had a collective 4.18 ERA. At season’s end, Edwin Díaz, Tyler Rogers, Gregory Soto, Ryan Helsley and others hit free agency, further thinning out the group. Those four have already signed with other clubs.

The Mets have signed Williams and now Weaver to fortify the group. They will slot in among incumbent arms like A.J. Minter, Brooks Raley, Huascar Brazobán and others. Presumably, there are still more bullpen moves to come.

RosterResource, assuming an equal distribution of Weaver’s guarantee over two years, now projects the Mets for a $305MM payroll and a $307MM competitive balance tax figure. Since they have paid the tax in at least three straight years, they face compounding taxation rates. The top tier of the tax in 2026 is $304MM, so this deal pushes them over. That means they will pay a 110% tax on any further spending, though that’s nothing new for them.

There are still several items on the to-do list for the Mets this winter. Sammon wrote earlier this week that the club is still looking for a front-of-rotation starter and an offensive upgrade. That could come via free agency but there have also been plenty of trade rumors surrounding Jeff McNeil, Kodai Senga, David Peterson, Mark Vientos, Ronny Mauricio and Luisangel Acuña. For now, Weaver upgrades the bullpen at market price.

Photo courtesy of Jeff Curry, Brad Penner, Imagn Images

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New York Mets New York Yankees Newsstand Transactions Luke Weaver

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Tigers Sign Kenley Jansen

By Mark Polishuk | December 17, 2025 at 11:05am CDT

December 17th: The Tigers officially announced Jansen’s signing today. It’s a $9MM salary with a $2MM buyout on a $12MM club option for 2027.

December 13th: The Tigers have agreed to a one-year contract with veteran closer Kenley Jansen, ESPN’s Jeff Passan reports.  The deal pays Jansen $11MM, as per USA Today’s Bob Nightengale, and The Athletic’s Cody Stavenhagen adds that the contract contains a club option on Jansen’s services for the 2027 season.  Earlier today, MassLive.com’s Chris Cotillo reported that the two sides were “deep in talks” and heading towards the final stages of a deal.  Jansen is represented by the Wasserman Agency.

Will Vest is coming off a strong season as Detroit’s primary saves candidate, but Vest will now move back into a high-leverage setup role to accommodate one of baseball’s most experienced closers.  Jansen has 476 career saves, and is just three saves away from passing Lee Smith for third place on the all-time list.  It certainly seems possible that Jansen can reach the 500-save plateau this season, though catching Trevor Hoffman (601 saves) for the second-highest total in history doesn’t seem possible unless Jansen reaches his goal of pitching until at least through the 2029 season.

For now, however, the 38-year-old Jansen has a one-year commitment from Detroit, with the 2027 option representing a possible continuation into the right-hander’s age-39 campaign.  The Tigers entered the offseason looking to reinforce their bullpen, and the team has signed Jansen and re-signed Kyle Finnegan just within the last week.  Jansen’s deal probably takes the Tigers out of the running for another target in former Rays closer Pete Fairbanks.

Even after 16 Major League seasons, Jansen still has some gas in the tank, as evidenced by his 2.59 ERA over 59 innings with the Angels in 2025.  However, his secondary metrics left something to be desired, as Jansen’s 24.4% strikeout rate and 44.6% hard-hit ball rate were both easily the worst of his career.  A .195 BABIP and 85.2% strand rate helped Jansen’s bottom-line numbers remain in check, though his 3.94 SIERA was much higher than his actual ERA.

Jansen did post better numbers as the 2025 season went on, and the Tigers themselves were responsible for a big chunk of the damage on the righty’s ERA.  (Of the 17 earned runs charged to Jansen in 2025, Detroit scored six of them in an ugly meltdown for Jansen back on May 2 in a 9-1 Tigers win over the Angels.)  The stronger finish to the season provides some hope that Jansen can more fully get on track next year, and he might also be energized by again pitching for a contender after a year with the struggling Halos.

For a team that has thrived on “bullpen chaos” over the last couple of seasons, the Tigers will now move in a different direction by installing a true closer in place for the ninth inning.  If Jansen can come close to his 2025 production, that’s a nice plus for the team, as Vest’s move to a set-up role will strengthen things all the way down the depth chart.

More bullpen moves may still be coming, as between Finnegan and Jansen’s 2025 numbers, the Tigers still haven’t solved their primary goal of adding more punchout power to their bullpen.  Detroit had the second-lowest bullpen strikeout rate (20.1%) of any team in baseball in 2025, ahead of only the lowly Rockies.

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Detroit Tigers Newsstand Transactions Kenley Jansen

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The Best Fits For Munetaka Murakami

By Anthony Franco | December 17, 2025 at 11:04am CDT

Munetaka Murakami will make his decision within the next five days. Japan's premier slugger is expected to sign with an MLB team after being posted by the Yakult Swallows. The 45-day process began on November 8, meaning Murakami has until December 22 to put pen to paper.

Murakami's camp has played things very close to the vest. While they've undoubtedly spent the past month speaking with teams, there hasn't been any reporting about which clubs are involved. It's inherently more difficult from the outside to project the market for players without any major league track record. A lot depends on individual teams' scouting evaluations.

That's particularly true in Murakami's case. Scouts are unanimous in praising his monster power potential. The lefty hitter drilled 56 home runs in his age-22 season a few years back. That's an outlier but he has another four seasons with between 31 and 39 longballs. That doesn't include this year, in which oblique injuries limited him to 69 games. Murakami connected on 24 homers while hitting .286/.392/.659 across 263 plate appearances -- which would have put him on a 55-60 homer pace over a full season. His exit velocities are off the charts. There's a chance he's in the Kyle Schwarber or Shohei Ohtani tier in terms of left-handed raw power.

As is often the case, the bigger question is whether he'll make enough contact to be an impact bat in MLB. Murakami has fanned a near-26% rate in his NPB career. That was up to 28.6% this year and closer to 30% in his last full season in 2024. Hitters can thrive while striking out that often -- Schwarber has gone down on strikes at a 28.8% rate over the last four years -- but Murakami's strikeout rate seems likely to climb against big league competition.

The average pitcher quality and velocity is higher in MLB than it is at the NPB level. Should Murakami be expected to strike out more than 30% of the time in the majors? Do teams expect him to punch out more than a third of the time? Scouts could have differing evaluations on Murakami's pure hitting ability.

There's little doubt that the bat needs to drive the profile. Listed at 6'2" and 213 pounds, Murakami isn't viewed as an especially rangy third baseman. He's likely to end up at first base before the end of his contract. Some teams might project him to the position on day one. Others could feel he'd be a passable third baseman in the short term, but his defense isn't likely to improve with age.

Murakami turns 26 in February. He's younger than essentially any top-tier domestic free agent, who'd need to play six full seasons in the big leagues before they can hit the market. This is a chance to add a potential prime-age superstar, but there's also massive downside given the swing-and-miss and defensive questions. It's likely that whatever deal he signs will come with one or more opt-out chances that allow Murakami to get back to free agency a few years from now if he has proven he can hit MLB pitching.

MLBTR predicted an eight-year, $180MM deal in ranking him the offseason's #4 free agent. That's admittedly without a huge amount of confidence given the challenges of projecting this profile. Let's take a look at which teams are best positioned to make this move.

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Front Office Originals Munetaka Murakami

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Phillies To Sign Brad Keller

By Steve Adams | December 17, 2025 at 10:36am CDT

The Phillies and right-handed reliever Brad Keller are in agreement on a two-year, $22MM contract, reports ESPN’s Jesse Rogers. The deal is pending a physical. Fansided’s Robert Murray first reported that the two parties were nearing an agreement. Keller, who is represented by Excel Sports Management, received some interest as a starter but will be used as a reliever in Philadelphia, per Joel Sherman of the New York Post.

Keller, 30, was a solid starter with the Royals early in his career after being picked up from the D-backs in the 2017 Rule 5 Draft. After a nice run of three seasons, his numbers took a sharp decline, due largely to the complete erosion of his command.

Keller walked a staggering 45 batters in 45 1/3 innings in 2023 and was subsequently diagnosed with thoracic outlet syndrome. He underwent surgery to alleviate the issue. A comeback effort in 2024 didn’t pan out well, as he pitched to a 5.44 ERA in 41 1/3 frames between the Red Sox and White Sox, but Keller completely remade himself as a high-end bullpen weapon with the Cubs in 2025 after signing a minor league contract.

In 69 2/3 innings this past season, Keller was dominant. His 2.07 ERA tied him for 13th-best among 147 qualified relievers. The 6’5″, 255-pound righty set down 27.2% of his opponents on strikes and notched a sharp 8% walk rate. Keller had sat 92-94 mph as a starter and even in bullpen work with the White Sox and Red Sox in ’24, but his sinker averaged a career-best 96.7 mph in 2025 and his four-seamer clocked in even higher at 97.2 mph. His 56.1% ground-ball rate was a career-best mark, and opponents had an extremely rough time squaring up any of his pitches. His 86.7 mph average exit velocity and 30.6% hard-hit rate were far and away the lowest marks of his career.

There are at least some modest red flags with regard to Keller. His 10.8% swinging-strike is actually below the league average and doesn’t support his well above-average strikeout rate. The quality of his stuff clearly improved, just as the quality of his opponents’ contact deteriorated, but it’s still unlikely that he’ll sustain a .243 average on balls in play over the course of a full season. However, even with some regression in terms of BABIP and strikeout rate, Keller still looks the part of a quality bullpen arm who’ll support an improved late-inning relief contingent for the next two seasons.

Keller should operate as a setup man to deadline acquisition Jhoan Duran, who came over from Minnesota in exchange for top prospects Eduardo Tait and Mick Abel. He’ll join righty Orion Kerkering and southpaws Jose Alvarado, Matt Strahm and Tanner Banks in what should be a formidable setup corps for manager Rob Thomson. There’s still room for the Phils to add another reliever if a deal to their liking presents itself, but they’re six-deep in largely established relief arms with Keller now in the fold.

The $11MM annual value of the contract pushes the Phillies from the third tier of luxury tax penalization to the fourth and final bracket, per RosterResource’s projections. They were already paying a 95% tax on subsequent additions and were about $7MM from the top tier. Keller places them about $4MM over that line. They’ll pay about $22MM for him this season (assuming an even $11MM per year distribution) rather than that $11MM surface value. Any subsequent additions to the payroll at this point will be taxed at the maximum 110% rate.

The Phillies have done a fair bit of offseason work already. They added outfielder Adolis Garcia on a one-year contract just yesterday and, prior to that, re-signed slugger Kyle Schwarber on a huge five-year, $150MM contract. The Phils could still poke around the bullpen market or look for a complementary right-handed bat to pair with Brandon Marsh in left field. Rotation depth could be an issue as well, depending on Zack Wheeler’s recovery from his own thoracic outlet procedure, so some modest depth adds could be on the horizon. The most notable issue for the club, however, is at catcher, where they’re still hoping to retain longtime backstop J.T. Realmuto. That’ll be top of mind until Realmuto signs, be it in Philadelphia or elsewhere.

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Newsstand Philadelphia Phillies Transactions Brad Keller

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Twins Introduce New Minority Owners; Tom Pohlad Named Team’s New Control Person

By Steve Adams | December 17, 2025 at 10:17am CDT

Several months after the Pohlad family reversed course on its bid to sell the Twins, instead revealing the forthcoming addition of new minority owners, the Twins have formally announced a trio of new minority stakeholders in the organization — all of whom have been formally approved by Major League Baseball. Craig Leipold, owner of the NHL’s Minnesota Wild; George G. Hicks, founder of Minnesota-based investment firm Varde Partners; and Glick Family Investors are the team’s new limited partners.

The Pohlad family will retain majority ownership of the Twins, but there’s still changes on that front. Joe Pohlad, the team’s executive chair, is ceding oversight of the organization to older brother Tom Pohlad. Per the Twins’ press release, Tom will oversee the organization’s operations and will also succeed his uncle, Jim Pohlad, as the team’s official control person and liaison to the league.

Joe Pohlad had only taken over the executive chair role and day-to-day oversight of the franchise in November of 2022. He called his short time as the team’s executive chair “one of the greatest responsibilities and privileges of my life” before adding that he is “stepping away from my day-to-day role.”

Details of the sale weren’t disclosed by the team, but Dan Hayes of The Athletic reports that the Pohlad family sold more than 20% of the franchise at a valuation of $1.75 billion. The addition of the new minority stakeholders has helped to substantially clear a reported debt of nearly $500MM. Wiping that debt clean could aid the Pohlad family in any subsequent efforts to sell the franchise down the road. It’s not clear at this time whether the family will eventually revisit the idea of selling the team, however.

Back in July, the Twins sold off a stunning 11 players, including the final three-plus seasons of Carlos Correa’s $200MM contract. Minnesota will pay $10MM of his $33MM salary in each of the next three seasons, but that trade alone trimmed more than $70MM off the books. Trades of Jhoan Duran, Griffin Jax and Danny Coulombe trimmed a few million from the 2025 payroll and also eliminated the need to commit notable arbitration raises to Duran and Jax this winter. Naturally, that fire sale left the Twins with a gutted roster — specifically in the bullpen — and plenty of speculation about continuing that teardown in the offseason.

Instead, it seems the cash infusion from this slate of limited partners has prompted ownership to provide the front office with some modest spending power. They plan to hang onto stars Byron Buxton, Pablo Lopez and Joe Ryan. This week’s signing of veteran first baseman Josh Bell only further supports the notion that there’s room to add to the 2026 roster and take aim at contending in a perennially weak American League Central.

While the Twins aren’t going to return to the $140-155MM payrolls they trotted out from 2023-25, they should have somewhere around $15MM or so (based on prior reporting from Hayes) to add to the budget after adding Bell. Solidifying a patchwork bullpen figures to be the primary focus, but Minnesota could also pursue bench upgrades or another power bat to plug into the mix.

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Minnesota Twins Newsstand Craig Leipold Joe Pohlad Tom Pohlad

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MLBTR Podcast: The Mets Sign Jorge Polanco, And The Braves, Blue Jays And Royals Make Moves

By Darragh McDonald | December 17, 2025 at 9:44am CDT

The latest episode of the MLB Trade Rumors Podcast is now live on Spotify, Apple Podcasts, and wherever you get your podcasts! Make sure you subscribe as well! You can also use the player at this link to listen, if you don’t use Spotify or Apple for podcasts.

This week, host Darragh McDonald is joined by Steve Adams of MLB Trade Rumors to discuss…

  • The Mets signing Jorge Polanco (2:40)
  • The Braves making three signings: Robert Suarez, Mike Yastrzemski and Ha-Seong Kim (17:15)
  • The Blue Jays signing Tyler Rogers and Cody Ponce (31:40)
  • The Royals extending Maikel Garcia, signing Lane Thomas and trading Ángel Zerpa to the Brewers for Isaac Collins and Nick Mears (46:10)
  • The Tigers making three signings: Kenley Jansen, Kyle Finnegan and Drew Anderson (57:25)

Check out our past episodes!

  • Winter Meetings Recap – listen here
  • An Agent’s Perspective with B.B. Abbott – Also, Cease, Williams, Helsley, And Gray – listen here
  • Some “Classic Baseball Trades,” Nimmo For Semien, And Ward For Rodriguez – listen here

The podcast intro and outro song “So Long” is provided courtesy of the band Showoff.  Check out their Facebook page here!

Photo courtesy of Nick Turchiaro, Imagn Images

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Atlanta Braves Detroit Tigers Kansas City Royals MLB Trade Rumors Podcast Milwaukee Brewers New York Mets Toronto Blue Jays Angel Zerpa Cody Ponce Drew Anderson Ha-Seong Kim Isaac Collins Jorge Polanco Kenley Jansen Kyle Finnegan Lane Thomas Maikel Garcia Mike Yastrzemski Nick Mears Robert Suarez Tyler Rogers

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Cubs To Re-Sign Caleb Thielbar

By Steve Adams | December 17, 2025 at 9:33am CDT

Dec. 17: Thielbar is guaranteed $4.5MM on the contract, reports Patrick Mooney of The Athletic. That breaks down as a $4MM salary and a $500K buyout on a 2027 mutual option. There are also incentives in the deal that can boost his 2026 earnings.

Dec. 16: 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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The Opener: Giants, Lefty Relievers, Posting Windows

By Nick Deeds | December 17, 2025 at 8:52am CDT

Here are three things we’ll be keeping an eye on around the baseball world today:

1. Giants 40-man roster moves incoming:

The Giants signed right-handers Adrian Houser and Jason Foley to major league deals yesterday, and in doing so created in a logjam on their 40-man roster. San Francisco’s roster was already at capacity before those signings, so they’ll need to make a pair of corresponding moves in order to finalize those additions. Those transactions could be simply designating two other players for assignment, but it’s also possible that the Giants could look to work out a trade of some kind that clears 40-man roster space.

2. Market for lefties heating up:

While the bullpen market has been buzzing virtually the entire offseason, the market for specifically left-handed relief pitching had been a bit quieter until recently. As of early last week, Gregory Soto was most notable lefty to sign, but that dam has broken. Hoby Milner and Tyler Alexander signed late last week, and things picked up further yesterday with a trio of agreements: Caleb Thielbar returned to the Cubs after a strong rebound season, Drew Pomeranz signed with the Angels, and the Reds landed Caleb Ferguson. With that group off the board, the most notable lefties still on the market include Sean Newcomb, Taylor Rogers, Justin Wilson and Danny Coulombe.

3. Posting windows for Song, Murakami nearing their end:

When international players are posted for MLB teams, they’re given a limited window during which to sign. That window lasts 30 days for players coming over from the KBO, while NPB players have 45 days. Two such players are having their windows draw to a close in the next few days: KBO infielder Sung Mun Song, who will need to sign by December 21 at 4pm CT, and NPB slugger Munetaka Murakami, who will need to sign by December 22 at 4pm CT.

Murakami is by far the more well-known player, heralded for his youth and prodigious power despite concerns about his contact ability. He should land a healthy multi-year deal in free agency, though his camp has kept things very quiet to this point. Song hasn’t garnered as much fanfare but is coming off a pair of terrific seasons, wherein he combined to his .327/.397/.524 with a 10.5% walk rate and just a 14.3% strikeout rate.

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The Opener

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Giants To Sign Adrian Houser

By Steve Adams | December 16, 2025 at 11:59pm CDT

The Giants and righty Adrian Houser are in agreement on a two-year, $22MM contract, reports ESPN’s Jeff Passan. There’s a club option for a third season. 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 via the trade market or another shorter-term deal such as today’s Houser agreement.

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).

The addition of Houser pushes San Francisco to about $203MM of luxury tax obligations, per RosterResource. The Giants are more than $40MM shy of the $244MM first-tier threshold. However, while they’ve paid the tax in the past — doing so as recently as 2024 — it’s not clear whether they’re comfortable doing so in 2026. Ownership comments downplaying the possibility of adding additional long-term deals would suggest at least some trepidation about spending to those heights.

The Giants are still looking for help in the outfield, at second base and/or in the bullpen. While the top-end free agents to whom they were loosely linked earlier in free agency (e.g. Imai, Valdez) don’t seem like realistic targets, barring an about-face from ownership on the team’s stance regarding long-term commitments, there are still various avenues to pursue. Free agency offers no shortage of veteran hitters and relievers available on short-term deals, and San Francisco is reportedly among the teams most aggressively pursuing Cardinals infielder/outfielder Brendan Donovan.

President of baseball operations Buster Posey presumably has several more moves up his sleeve, and while the addition of Houser doesn’t necessarily raise the team’s ceiling much, it does boost the floor of a rotation that was pretty rife with question marks beyond the veteran Webb/Ray tandem up top.

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Newsstand San Francisco Giants Transactions Adrian Houser

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