St. Louis Cardinals
Ryan Helsley has thrown 5,203 pitches that have been tracked by the PITCHf/x system between 2019 and 2025, including pitches thrown in the MLB Regular Season, The World Baseball Classic and Spring Training. In 2025, they have relied primarily on their Fourseam Fastball (99mph) and Slider (89mph), also mixing in a Curve (80mph). He also rarely throws a Cutter (93mph).
In 2025, compared to other RHP:
Their fourseam fastball is thrown at a speed that's borderline unfair, generates a very high amount of groundballs compared to other pitchers' fourseamers and has much less armside movement than typical. Their slider is thrown extremely hard, generates more whiffs/swing compared to other pitchers' sliders and has some two-plane movement. Their curve is basically never swung at and missed compared to other pitchers' curves, has primarily 12-6 movement, results in more flyballs compared to other pitchers' curves and has a sharp downward bite. Their cutter is thrown at a speed that's borderline unfair, is basically never swung at and missed compared to other pitchers' cutters, generates a very high amount of groundballs compared to other pitchers' cutters and has strong cutting action.