Houston Astros
Jason Alexander has thrown 5,392 pitches that have been tracked by the PITCHf/x system between 2019 and 2025, including pitches thrown in the MLB Regular Season and Spring Training. In 2025, they have relied primarily on their Sinker (91mph) and Change (80mph), also mixing in a Slider (79mph) and Fourseam Fastball (92mph). He also rarely throws a Cutter (87mph).
In 2025, compared to other RHP:
Their sinker has heavy sinking action, is a real worm killer that generates an extreme number of groundballs compared to other pitchers' sinkers and has slight armside run. Their change generates an extremely high number of swings & misses compared to other pitchers' changeups, dives down out of the zone, has below average velo, results in somewhat more flyballs compared to other pitchers' changeups and has slight armside fade. Their slider comes in below hitting speed, is basically never swung at and missed compared to other pitchers' sliders, sweeps across the zone and has some two-plane movement. Their fourseam fastball has heavy sinking action, has an obvious tail, results in more flyballs compared to other pitchers' fourseamers and has essentially average velo. Their cutter is basically never swung at and missed compared to other pitchers' cutters, has little cutting action, has slightly below average velo and has some natural sink.