Kyle Leahy

Kyle Leahy (born June 4, 1997, in Boulder, Colorado) is a right-handed pitcher who has worked primarily as a reliever at the major league level. A product of Erie High School in Erie, Colorado, he played college baseball at Colorado Mesa before being selected in the 17th round of the 2018 MLB Draft (pick 19) by St. Louis. Leahy’s MLB debut date was July 7, 2023. In 2025, he logged 62 appearances and 88.0 innings, posting a 3.068 ERA with a 1.227 WHIP and 80 strikeouts (8.182 K/9). He also recorded 18 holds and 1 save, reflecting a consistent bullpen role in late-inning leverage spots. His 2025 batted-ball profile included a 2.055 groundball-to-flyball ratio, with opponents held to a .244 batting average against. In 2026 (regular season, through the data provided), Leahy made 16 starts and threw 81.1 innings with a 4.094 ERA, 1.475 WHIP, and 67 strikeouts (7.414 K/9), alongside a 4.18 FIP. Pitch tracking shows a four-seam fastball averaging 94.1 mph (max 97.4), plus a sweeper with high spin (2637 rpm average). This Kyle Leahy MLB profile highlights a power mix built around fastball velocity and multiple breaking-ball looks.