The Red Sox are showing interest in free agent catcher J.T. Realmuto, per a report from Ken Rosenthal and Jen McCaffrey of The Athletic, though they note that there’s still an expectation Realmuto will re-sign with the Phillies.
Realmuto has been one of the best catchers of recent history, if not the very best. He has been a mainstay in the big leagues for over a decade now. From 2015 to 2025, he appeared in at least 125 games in all but one full season. The only exception was 2024, when a knee injury limited him to 99 contests. For that 11-year span, he led the majors among primary catchers with 1,362 games played and 36.7 wins above replacement, according to FanGraphs.
The question now is what he can be in the future. He will turn 35 years old in March. In 2025, he slashed .257/.315/.384. That resulted in a 94 wRC+, indicating he was 6% below league average. That’s still passable for a catcher but it was the first time Realmuto finished below the century mark since 2015. His glovework also seems to have tailed off a bit, per outlets like FanGraphs, Statcast and Baseball Prospectus. He can still throw out attempted base stealers and is decent in terms of blocking but all outlets agree his framing has been subpar for the past three seasons.
Flaws aside, Realmuto is still the top free agent catcher this winter. MLBTR predicted him to land a two-year, $30MM deal, though a three-year isn’t totally out of the question. Other on the market include Victor Caratini and Danny Jansen. The Rangers recently added Jonah Heim to the pile when they non-tendered him last week.
Many in the baseball world expect Realmuto to end up back in Philadelphia. He has been with the Phillies since 2019 and has already re-signed with them as a free agent once. As mentioned in the report from The Athletic, his family owns a home in Clearwater, Florida, the spring training home of the Phillies. While Realmuto is a free agent, the Phils currently have Rafael Marchán and Garrett Stubbs as their top catchers. They have to do something to improve their catching corps. However, the Phils have a bunch of other priorities this winter. They also want to re-sign Kyle Schwarber and remake their outfield.
For the Red Sox, there’s little harm in checking in to see if there’s a chance they can pry Realmuto away, as their catching group could be strengthened. Carlos Narváez had a nice rookie season in 2025 but he’s still fairly inexperienced and trailed off as the season went along. He hit .241/.306/.419 for a 97 wRC+ for the whole year but just .187/.233/.387 for a 64 wRC+ in the second half. Connor Wong seemed to take a step forward in 2024 but then hit just .190/.262/.238 in 2025.
Both of those catchers are still optionable, so it’s possible for the Sox to sign Realmuto and bump one down to Triple-A as depth. Realmuto’s right-handed bat would fit nicely on a lineup that leans left-handed right now, though Narváez and Wong are also righties. It’s also possible the Sox would be drawn to Realmuto as a veteran clubhouse leader for a team that skews young and inexperienced.
The Sox will have to balance that pursuit with other priorities. One big target for them this winter was to bolster the rotation and they acquired Sonny Gray from the Cardinals earlier today. They will probably look for more pitching and could try to re-sign Alex Bregman.
RosterResource projects the Sox for a $177MM payroll and $223MM competitive balance tax figure. Last year, those numbers finished at $207MM and $245MM. That could give them something like $20-3oMM to play with if they are willing to spend similarly in 2026, though it’s possible their playoff berth in 2025 prompts them to push things up higher.
Their ability to pursue a notable catching upgrade will depend on what they have to spend and how things proceed with their other targets. Even if they can’t pluck Realmuto from Philadelphia, perhaps they will turn to some of the other available backstops.
Photo courtesy of Kyle Ross, Imagn Images




