Texas Rangers
Although they have not thrown an MLB pitch in 2026, Mason Thompson threw 2,186 pitches that were tracked by the PITCHf/x system between 2021 and 2025, including pitches thrown in the MLB Regular Season and Spring Training. In 2025, they relied primarily on their Sinker (95mph), Slider (85mph) and Fourseam Fastball (95mph), also mixing in a Change (87mph) and Curve (82mph).
In 2025, compared to other RHP:
Their sinker has well above average velo, results in somewhat more flyballs compared to other pitchers' sinkers and has slight armside run. Their slider is a real worm killer that generates an extreme number of groundballs compared to other pitchers' sliders and has exceptional depth. Their fourseam fastball generates more whiffs/swing compared to other pitchers' fourseamers and has slightly above average velo. Their change generates an extremely high number of swings & misses compared to other pitchers' changeups, is slightly firmer than usual, has slight armside fade and has some natural sink to it. 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 and has a sharp downward bite.