Houston Astros
Although they have not thrown an MLB pitch in 2026, Kai-Wei Teng threw 4,484 pitches that were tracked by the PITCHf/x system between 2023 and 2025, including pitches thrown in the MLB Regular Season, The World Baseball Classic and Spring Training. In 2025, they relied primarily on their Slider (85mph) and Fourseam Fastball (94mph), also mixing in a Sinker (93mph), Curve (83mph) and Change (87mph).
In 2025, compared to other RHP:
Their slider sweeps across the zone, results in more flyballs compared to other pitchers' sliders and has some two-plane movement. Their fourseam fastball generates an extremely high number of swings & misses compared to other pitchers' fourseamers, has heavy sinking action and has essentially average velo. Their sinker has heavy sinking action, generates fewer whiffs/swing compared to other pitchers' sinkers, results in somewhat more groundballs compared to other pitchers' sinkers, has slight armside run and has slightly above average velo. Their curve has sweeping glove-side movement, generates a very high amount of groundballs compared to other pitchers' curves and is much harder than usual. Their change dives down out of the zone, is much firmer than usual, results in somewhat more groundballs compared to other pitchers' changeups and has slight armside fade.