New York Yankees
Mark Leiter Jr. has thrown 5,952 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 Sinker (94mph), Splitter (86mph) and Curve (74mph). He also rarely throws a Cutter (91mph), Slider (83mph) and Fourseam Fastball (93mph).
In 2025, compared to other RHP:
Their sinker has slightly above average velo. Their splitter generates a high number of swings & misses compared to other pitchers' splitters, has some natural sink to it and is slightly firmer than usual. 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 has well above average velo and has some natural sink. Their slider (take this with a grain of salt because they've only thrown 12 of them in 2025) is basically never swung at and missed compared to other pitchers' sliders, has exceptional depth and results in more flyballs compared to other pitchers' sliders. Their fourseam fastball (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' fourseamers, is an extreme flyball pitch compared to other pitchers' fourseamers and has essentially average velo.