Houston Astros
Spencer Arrighetti has thrown 3,989 pitches that have been tracked by the PITCHf/x system between 2023 and 2025, including pitches thrown in the MLB Regular Season and Spring Training. In 2025, they have relied primarily on their Fourseam Fastball (93mph) and Cutter (87mph), also mixing in a Change (84mph), Curve (76mph) and Slider (79mph). He also rarely throws a Sinker (92mph).
In 2025, compared to other RHP:
Their fourseam fastball (take this with a grain of salt because they've only thrown 12 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, has some natural sinking action, has essentially average velo and has slight armside run. Their cutter (take this with a grain of salt because they've only thrown 9 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 some natural sink and has strong cutting action. Their change (take this with a grain of salt because they've only thrown 6 of them in 2025) results in more flyballs compared to other pitchers' changeups and has some natural sink to it. Their curve (take this with a grain of salt because they've only thrown 5 of them in 2025) is basically never swung at and missed compared to other pitchers' curves, has sweeping glove-side movement, results in more flyballs compared to other pitchers' curves, has a sharp downward bite and has slightly below average velo. Their slider (take this with a grain of salt because they've only thrown 3 of them in 2025) comes in below hitting speed, is basically never swung at and missed compared to other pitchers' sliders, sweeps across the zone, has exceptional depth and is an extreme flyball pitch compared to other pitchers' sliders. Their sinker (take this with a grain of salt because they've only thrown 1 of them in 2025) is basically never swung at and missed compared to other pitchers' sinkers, is an extreme flyball pitch compared to other pitchers' sinkers and has some natural sinking action.