Seattle Mariners
Blas Castaño has thrown 4,296 pitches that have been tracked by the PITCHf/x system between 2021 and 2026, including pitches thrown in the MLB Regular Season, Spring Training and Fall/Winter Ball. In 2026, they have relied primarily on their Slider (83mph), Sinker (94mph) and Cutter (91mph), also mixing in a Change (89mph). He also rarely throws a Fourseam Fastball (95mph).
In 2026, compared to other RHP:
Their slider sweeps across the zone. Their sinker has heavy sinking action, is an extreme flyball pitch compared to other pitchers' sinkers, has well above average velo and has slight armside run. Their cutter is an extreme flyball pitch compared to other pitchers' cutters, has well above average velo and has some natural sink. Their change (take this with a grain of salt because they've only thrown 11 of them in 2026) is thrown extremely hard, dives down out of the zone and has slight armside fade. Their fourseam fastball (take this with a grain of salt because they've only thrown 3 of them in 2026) is basically never swung at and missed 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.