Seattle Mariners
George Kirby has thrown 5,522 pitches that have been tracked by the PITCHf/x system between 2022 and 2024, including pitches thrown in the MLB Regular Season and Spring Training. In 2024, they have relied primarily on their Fourseam Fastball (96mph) and Slider (86mph), also mixing in a Sinker (96mph), Curve (82mph) and Splitter (85mph).
In 2024, compared to other RHP:
Their fourseam fastball generates more whiffs/swing compared to other pitchers' fourseamers and has well above average velo. Their slider is basically never swung at and missed compared to other pitchers' sliders, has exceptional depth, has short glove-side cut and results in somewhat more flyballs compared to other pitchers' sliders. Their sinker generates a very high amount of groundballs compared to other pitchers' sinkers, is blazing fast and has slight armside run. Their curve has an exceptional bite, generates more whiffs/swing compared to other pitchers' curves, is much harder than usual and results in more flyballs compared to other pitchers' curves. Their splitter has dives down out of the zone, generates fewer whiffs/swing compared to other pitchers' splitters and results in more flyballs compared to other pitchers' splitters.