Trent Thornton

Seattle Mariners

Pitch Repertoire At-A-Glance

Trent Thornton has thrown 7,330 pitches that have been tracked by the PITCHf/x system between 2017 and 2025, including pitches thrown in the MLB Regular Season and Spring Training. In 2025, they have relied primarily on their Fourseam Fastball (94mph) and Slider (80mph), also mixing in a Cutter (90mph), Curve (81mph) and Splitter (86mph). He also rarely throws a Sinker (94mph).


In 2025, compared to other RHP:
Their fourseam fastball is a real worm killer that generates an extreme number of groundballs compared to other pitchers' fourseamers, has less armside movement than typical, has some natural sinking action and has slightly above average velo. Their slider comes in below hitting speed, sweeps across the zone, results in more flyballs compared to other pitchers' sliders and has some two-plane movement. Their cutter has heavy sink, results in more flyballs compared to other pitchers' cutters, has slightly above average velo and has strong cutting action. Their curve has an exceptional bite, generates fewer whiffs/swing compared to other pitchers' curves and is slightly harder than usual. Their splitter is an extreme flyball pitch compared to other pitchers' splitters, generates more whiffs/swing compared to other pitchers' splitters, has some natural sink to it and is slightly firmer than usual. Their sinker generates an extremely high number of swings & misses compared to other pitchers' sinkers, has surprisingly little armside run, results in more flyballs compared to other pitchers' sinkers, has slightly above average velo and has some natural sinking action.