Yankees could capitalize on Red Sox contract deadline to improve bullpen

The New York Yankees' bullpen has been easily the club's biggest weakness throughout 2026, and everyone's expecting the Yanks to make some adjustments in that area soon, whether by promoting some of their talented arms from Triple-A, shopping on the market for outside help, or both. New York's 'pen is oddly constructed, and while in-house reinforcements are likely on the way, you have to assume that Yankees general manager Brian Cashman is working the phones.

Conveniently for Cashman, a former Yankees reliever could be on the verge of hitting the free-agent market. Boston Red Sox right-hander Tommy Kahnle, who has already spent two stints with the Yankees in his career, was set to receive the option to enter free agency if Boston did not add him to its MLB roster by Monday, June 1.

Kahnle signed a minor-league deal with Boston in March, and sources close to the situation (most notably, MassLive's Chris Cotillo) do indicate that Kahnle will opt for free agency if he's not added to the roster by the deadline.

Yankees have considerable history with former pitcher Tommy Kahnle

Interestingy, MLB rules stipulate that the Red Sox will have 48 hours to decide on Kahnle if and when he "triggers" his opt-out, per Cotillo. In other words, the Yankees might not know if Kahnle is truly available for another couple days, even though the deadline for his roster decision is Monday.

The Yankees actually selected Kahnle in the fifth round of the 2010 MLB Draft, but he was stolen away by the Colorado Rockies in the 2013 Rule 5 Draft. Kahnle's first MLB stint with the Yankees (2017-2020) was ended when he underwent Tommy John surgery in August 2020 and was outrighted off the Yanks' 40-man that October (leading to Kahnle electing free agency).

Kahnle's second stint in the Bronx (2023-2024) was marred by shoulder injuries, but he did notably tally a save in Game 4 the 2024 ALCS. Kahnle's registered a 3.31 ERA with the Yankees in 221 games in his career (the most MLB appearances by far that he's made for any franchise, with 90 games for the Rockies coming in second).

Tommy Kahnle has looked very solid in Triple-A recently, which could entice Yankees

Perhaps more relevant than Kahnle's career numbers or time spent with the Yanks is what he's done in the immediate past. And in that regard, Kahnle has turned some heads. In 18 appearances for the Triple-A Worcester Red Sox in 2026 (19 1/3 innings), Kahnle has logged a 1.40 ERA with 21 strikeouts.

That said, after a promising first half with the Tigers last year, Kahnle crumbled in the second half which led to him signing a minor league contract this offseason. Plus, his arsenal is fairly predictable. If you can hit his changeup, it's over.

But that's not the concern right now. The Yankees need bullpen innings from experienced pitchers, and Kahnle is a familiar face whose repetoire they are familiar with. If he can give some of the other high-leverage arms a breather by upping his game or lengthening the bullpen, then what will go a long way.

Why shouldn't the Yankees take a flyer on Kahnle? If they don't, it might be a sign that Carlos Lagrange (and/or others) are about to be promoted, and that Cashman believes the Yanks will be all set depth-wise in the 'pen. Then again, you can never have too many relievers in the organization, especially if bullpen is a question mark for you at the MLB level.

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