Yankees’ midseason addition set to leave Bronx this offseason
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Follow UsNEW YORK — The New York Yankees made several calculated moves at the 2025 trade deadline.
One acquisition appeared logical on paper. But the reality turned out far different than expected.
Three months later, the verdict has arrived. The experiment failed spectacularly, with signs pointing to no future reunion.
Trade that made sense for Yankees at the time
When Aaron Judge landed on the injured list in late July with a flexor strain, the Yankees’ outfield leaned heavily to the left side. Cody Bellinger and Trent Grisham hit left-handed. Jasson Dominguez, a switch-hitter, struggled from the right side with a .585 OPS in 98 plate appearances.
The Yankees needed right-handed pop against left-handed pitching. General manager Brian Cashman identified Austin Slater as the solution.
The Yankees acquired the veteran outfielder from the Chicago White Sox in exchange for pitching prospect Gage Ziehl.
Slater’s career numbers against left-handed pitching stood out. Over nine seasons, mostly with San Francisco, he carried a .270/.362/.436 line in 1,006 plate appearances versus southpaws. In 2025 with Chicago, he hit .261/.338/.522 against lefties in 135 plate appearances. All five of his home runs came off left-handers, producing an .859 OPS.
“I’m really excited to go play for the Yankees,” Slater said after the trade. “It’s one of those teams as a kid you always dream about playing for. They’re right in a race for the playoffs. I’m excited to go there and try to help them out.”
Manager Aaron Boone envisioned Slater as a platoon option. “Having more moving parts gives you some opportunities in key moments of the game to create a platoon advantage,” Boone said at the time.
The Yankees gave up Ziehl, a 22-year-old right-hander drafted in the fourth round in 2024. He posted a 4.15 ERA in 82.1 innings across Low-A and High-A and ranked as the club’s 18th-best prospect. For New York, the cost looked fair for an experienced role player.
Stint that never gained traction
Austin Slater arrived in the Bronx with a specific mandate. But the move unraveled quickly. Slater appeared in only three games before a hamstring strain sent him to the injured list in early August. He stayed sidelined for a month.
Activated in September, Slater never found his rhythm. In 11 games and 18 plate appearances, he went hitless except for three singles. His line sat at .167/.167/.167, with 12 strikeouts.
Overall, he collected just three hits in 25 plate appearances as a Yankee. He did not draw a walk or record an extra-base hit. The platoon edge he was acquired to provide never showed up.
By October, the Yankees had seen enough. Slater was left off both the Wild Card and Division Series rosters, ending his Bronx stint with little impact.
Verdict that ends reunion talk
Greg Joyce of the New York Post reported that Slater will not be back in 2026. “Trading for him made sense, given his ability to hit left-handed pitching, but he struggled to do just that,” Joyce wrote. “Yankees could use someone like him (a right-handed hitting outfielder), but it probably won’t be Slater.”
The Yankees still need right-handed depth in the outfield. Both Bellinger and Grisham are free agents, and roster spots remain open. Jasson Dominguez and Spencer Jones are set for bigger roles, but the team wants at least one veteran who can play every day.
Options include re-signing Bellinger, bringing back Grisham, or pursuing bigger names such as Kyle Tucker, who headlines this winter’s free agent outfield class.
Path that leads elsewhere
Slater now heads back to free agency. Last November, he signed a one-year, $1.75 million deal with Chicago that included $100,000 in incentives. After his Yankees struggles, his 2026 market looks uncertain.
His career body of work still carries weight. From 2020 to 2023 with San Francisco, he slashed .259/.352/.421 over 374 games. That stretch included 38 doubles, 29 home runs and 37 stolen bases, good for 5.3 fWAR and a 117 wRC+. His best year came in 2021, when he played 125 games with 12 homers and 15 steals.
Defensive versatility has been part of his value. Slater has played all three outfield spots and has even logged time at first and second base. He posted a career plus-1 Outs Above Average in the outfield, with evaluators noting solid arm strength.
At 32, however, age works against him. The small sample size in New York raises questions about whether his decline has begun. Some rebuilding clubs could take a chance, while contenders may see him as a bench option on a minor league deal.
For the Yankees, the verdict is clear. The deadline gamble failed. Slater’s Bronx tenure ends as one of the least effective rentals of Cashman’s tenure. The front office will now look for another right-handed outfield bat that can deliver where Slater did not.
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