Los Angeles Dodgers
Blake Treinen has thrown 9,424 pitches that have been tracked by the PITCHf/x system between 2014 and 2025, including pitches thrown in the MLB Regular Season, the MLB Postseason, The World Baseball Classic and Spring Training. In 2025, they have relied primarily on their Slider (84mph) and Sinker (96mph), also mixing in a Cutter (92mph) and Fourseam Fastball (95mph). He also rarely throws a Change (89mph).
In 2025, compared to other RHP:
Their slider sweeps across the zone, has exceptional depth, generates more whiffs/swing compared to other pitchers' sliders and results in somewhat more groundballs compared to other pitchers' sliders. Their sinker has heavy sinking action, has an obvious tail, is blazing fast and generates more whiffs/swing compared to other pitchers' sinkers. Their cutter has well above average velo and results in somewhat more flyballs compared to other pitchers' cutters. Their fourseam fastball (take this with a grain of salt because they've only thrown 17 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 slight armside run and has slightly above average velo. Their change (take this with a grain of salt because they've only thrown 3 of them in 2025) is thrown extremely hard, generates an extremely high number of swings & misses compared to other pitchers' changeups, dives down out of the zone, results in more flyballs compared to other pitchers' changeups and has slight armside fade.