"Harkey, 58, has served two separate stints as the team's bullpen coach. His first stint was from 2008-13, which included the World Series winning 2009 season. After spending 2014-15 as the pitching coach for the Diamondbacks, he returned as the Yankees' bullpen coach in 2016 and had been in that role ever since, until today's news. The club has generally churned out a strong relief corps in those ten seasons."
"This year, however, the Bronx bullpen did not perform up to its usual standards. Yankees relievers ranked 23rd in the league with a 4.37 ERA. While they struck out plenty of hitters, tying the Guardians bullpen for fifth-best with a 24.9% strikeout rate, they also walked 9.7% of hitters, which was ninth-worst. Key offseason acquisition Devin Williams posted a 4.79 ERA in 62 innings, although his 3.07 xERA and 2.68 FIP are much more favorable."
Mike Harkey and Travis Chapman will not return to the Yankees' major league coaching staff in 2026. Harkey, 58, served two stints as bullpen coach (2008–13, 2016–2025) and has 19 years of coaching experience. Since 2016, Yankees relievers posted a 3.63 ERA, a 16.7% K-BB rate and accumulated 56.3 fWAR, ranking among the league's best. In 2025 the bullpen regressed to a 4.37 ERA, ranking 23rd, with a 24.9% strikeout rate but a 9.7% walk rate. Key relievers produced mixed results, including Devin Williams, Luke Weaver, David Bednar and Camilo Doval. Chapman, 47, advanced from the Yankees' farm system to the major league staff after the 2021 season.
Read at MLB Trade Rumors
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