Although they have not thrown an MLB pitch in 2023, Tyler Thornburg threw 5,073 pitches that were tracked by the PITCHf/x system between 2012 and 2022, including pitches thrown in the MLB Regular Season and Spring Training. In 2022, they relied primarily on their Fourseam Fastball (94mph) and Curve (76mph), also mixing in a Change (85mph) and Slider (83mph).
In 2022, compared to other RHP:
Their fourseam fastball has essentially average velo, results in somewhat more flyballs compared to other pitchers' fourseamers, has slightly less natural movement than typical and has some added backspin. Their curve has an exceptional bite, generates fewer whiffs/swing compared to other pitchers' curves, results in somewhat more flyballs compared to other pitchers' curves and has slightly below average velo. Their change results in somewhat more groundballs compared to other pitchers' changeups. Their slider is basically never swung at and missed compared to other pitchers' sliders, has exceptional depth, is an extreme flyball pitch compared to other pitchers' sliders and has primarily 12-6 movement.