Multiple waves of rumors suggest the Boston Red Sox will be active in the trade market this offseason. From trading for a No. 2 starter to clearing the outfield logjam, Boston has appeared in all kinds of trade speculation for all kinds of reasons.
The Red Sox are reportedly courting a few free agents who could fill roster spots they already have filled, including Pete Alonso and Kyle Schwarber. Alonso is a first baseman who is sure to become a full-time designated hitter within the next few years, and Schwarber has had the best results of his career out of the DH spot with the Philadelphia Phillies. Both work well for the Sox, but Triston Casas and Masataka Yoshida could put a damper on those plans.
However, Peter Abraham of The Boston Globe has reported that some clubs around the league believe the Red Sox may be willing to move on from Casas this winter (subscription required). Boston has attempted to trade the first baseman before, but disagreed with other teams' valuation of the young slugger.
Abraham notes that Casas is expected to earn just $1.7 million in arbitration this season after playing 92 games between 2024-25. Some teams in need of home run power or a first baseman could see this as a steal, given Casas' potential and 2023 Rookie of the Year-finalist status.
Red Sox could trade Triston Casas this offseason while his value is at an all-time low
Casas' low expected salary also reflects his trade value, which has been drastically lowered by injuries. His value has never been lower after the two devastating ailments he sustained in the past two seasons — in 2024, Casas tore the cartilage in his ribcage on a big swing, and in 2025 he ruptured a patellar tendon running out a ground ball at first base.
If the Red Sox didn't agree with other clubs' valuation of Casas in a trade, it's hard to imagine they'll agree to it now that he's been injured even further and missed more playing time. Chief baseball officer Craig Breslow didn't commit to him as the Opening Day first baseman, but he considered him a 30-40 home run power bat as recently as this year.
Trading Casas only makes sense if the Red Sox are committed to signing or trading for an upgrade at first base. Alonso would demand a longer contract than Boston has given to any free agent in quite some time, and he would need everyday playing time as an exceedingly durable player. The Red Sox like to keep their DH spot flexible and having three players who are current or future DHs (Alonso, Casas and Yoshida) doesn't align with that plan.