Boston Red Sox
Naoyuki Uwasawa has thrown 562 pitches that have been tracked by the PITCHf/x system in 2024, including pitches thrown in the MLB Regular Season and Spring Training. In 2024, they have relied primarily on their Splitter (84mph), also mixing in a Cutter (88mph), Fourseam Fastball (91mph), Curve (76mph), Sinker (90mph) and Slider (81mph). He also rarely throws a Change (83mph).
In 2024, compared to other RHP:
Their splitter has some natural sink to it and results in somewhat more flyballs compared to other pitchers' splitters. Their cutter has little cutting action and results in somewhat more flyballs compared to other pitchers' cutters. Their fourseam fastball generates an extremely high number of swings & misses compared to other pitchers' fourseamers, is an extreme flyball pitch compared to other pitchers' fourseamers and has slightly below average velo. Their curve has an exceptional bite, results in more flyballs compared to other pitchers' curves and has slightly below average velo. Their sinker has slight armside run and has slightly below average velo. Their slider sweeps across the zone, has exceptional depth, results in more flyballs compared to other pitchers' sliders and has below average velo. Their change (take this with a grain of salt because they've only thrown 1 of them in 2024) is basically never swung at and missed compared to other pitchers' changeups, results in more flyballs compared to other pitchers' changeups and has an extreme amount of backspin.