The Cardinals are adding some serious heat to their bullpen, reaching a deal with veteran reliever Ryne Stanek. The move, pending a physical, will require St.
Louis to clear a spot on the 40-man roster. It’s a low-risk, potentially high-reward signing for a team looking to stabilize its late-inning options.
Stanek, a flamethrower with one of the liveliest fastballs in the game, is coming off a rollercoaster stint with the Mets. After being acquired from the Mariners at the 2024 trade deadline, he struggled in the regular season-giving up 11 runs in just over 16 innings-but showed enough in the postseason to earn a $4.5 million deal to return to Queens. Unfortunately for New York, that gamble didn’t pay off.
The 34-year-old’s 2025 campaign was a mixed bag. He had flashes-solid stretches in May and July-but couldn’t maintain consistency.
His final line: a 5.30 ERA over 56 innings, with underlying metrics that didn’t offer much more optimism. His strikeout rate dipped to 22.7%, the lowest of his nine-year career, and his walk rate climbed to 12.5%.
For a pitcher who’s always leaned on swing-and-miss stuff to offset command issues, those trends are concerning.
But here’s why the Cardinals are intrigued: the raw stuff is still there. Stanek averaged 98.5 mph on his fastball last season, ranking among the top 15 in MLB.
That kind of velocity doesn’t just grow on trees. He complements the heater with a sharp slider and mixes in a splitter and sweeper, giving him a full arsenal that still generates whiffs at an above-average clip on a per-pitch basis.
St. Louis, a team light on proven bullpen arms, especially from the right side, needed someone with big-league experience and the potential to handle high-leverage situations.
JoJo Romero, a lefty with just over two years of service time, had been their most seasoned reliever. With his name floating around in trade rumors, the bullpen depth was looking thin.
Stanek slots in as a middle relief option to start, but don’t rule out a bigger role. On a team in transition, he could find himself pitching in the eighth-or even the ninth-if he regains form.
And there’s a familiarity factor here: Cardinals president of baseball operations Chaim Bloom was in the Rays’ front office when Tampa Bay drafted Stanek in the first round back in 2013. That connection likely played a part in bringing him to St.
Louis.
There’s also a hometown angle. Stanek was born in St.
Louis and went to high school just across the Missouri border in Stilwell, Kansas. Now he gets a chance to pitch for the team he grew up around, at least for the first half of the season.
If he performs well, don’t be surprised if he becomes a trade chip come July. But for now, the Cardinals are betting on his power arm to help anchor a bullpen that needed a boost.
