New York Yankees
Mark Leiter Jr. has thrown 5,432 pitches that have been tracked by the PITCHf/x system between 2017 and 2025, including pitches thrown in the MLB Regular Season, the MLB Postseason and Spring Training. In 2025, they have relied primarily on their Splitter (86mph), Sinker (94mph) and Curve (74mph), also mixing in a Cutter (91mph). He also rarely throws a Slider (83mph).
In 2025, compared to other RHP:
Their splitter generates an extremely high number of swings & misses compared to other pitchers' splitters and is slightly firmer than usual. Their sinker generates an extremely high number of swings & misses compared to other pitchers' sinkers, results in somewhat more flyballs compared to other pitchers' sinkers and has slightly above average velo. Their curve has an exceptional bite, generates an extremely high number of swings & misses compared to other pitchers' curves, has below average velo and results in somewhat more flyballs compared to other pitchers' curves. Their cutter (take this with a grain of salt because they've only thrown 13 of them in 2025) generates an extremely high number of swings & misses compared to other pitchers' cutters, is an extreme flyball pitch compared to other pitchers' cutters, has well above average velo and has some natural sink. Their slider (take this with a grain of salt because they've only thrown 4 of them in 2025) generates an extremely high number of swings & misses compared to other pitchers' sliders, has exceptional depth, is an extreme flyball pitch compared to other pitchers' sliders and has primarily 12-6 movement.