Texas Rangers
Jack Leiter has thrown 5,427 pitches that have been tracked by the PITCHf/x system between 2023 and 2026, including pitches thrown in the MLB Regular Season and Spring Training. In 2026, they have relied primarily on their Fourseam Fastball (97mph), also mixing in a Change (91mph), Slider (87mph), Sinker (97mph), Cutter (94mph) and Curve (83mph).
In 2026, compared to other RHP:
Their fourseam fastball is blazing fast and results in more flyballs compared to other pitchers' fourseamers. Their change is thrown extremely hard, dives down out of the zone, generates more whiffs/swing compared to other pitchers' changeups and results in somewhat more flyballs compared to other pitchers' changeups. Their slider generates an extremely high number of swings & misses compared to other pitchers' sliders, is an extreme flyball pitch compared to other pitchers' sliders, is much harder than usual and has some two-plane movement. Their sinker generates an extremely high number of swings & misses compared to other pitchers' sinkers, is blazing fast, has little sinking action compared to a true sinker and results in somewhat more flyballs compared to other pitchers' sinkers. Their cutter is thrown at a speed that's borderline unfair, generates an extremely high number of swings & misses compared to other pitchers' cutters and results in more flyballs compared to other pitchers' cutters. Their curve generates an extremely high number of swings & misses compared to other pitchers' curves, is much harder than usual, results in more flyballs compared to other pitchers' curves, has a sharp downward bite and has primarily 12-6 movement.