Although he has not thrown an MLB pitch in 2020, Mike Foltynewicz threw 11,883 pitches that were tracked by the PITCHf/x system between 2013 and 2019, including pitches thrown in the MLB Regular Season, the MLB Postseason and Spring Training. In 2019, he relied primarily on his Slider (85mph), Sinker (95mph) and Fourseam Fastball (95mph), also mixing in a Curve (79mph) and Change (87mph).
Basic description of 2019 pitches compared to other RHP:
His slider results in somewhat more flyballs compared to other pitchers' sliders. His sinker has well above average velo and has slight armside run. His fourseam fastball results in more flyballs compared to other pitchers' fourseamers and has slightly above average velo. His curve results in more flyballs compared to other pitchers' curves, has little depth and has primarily 12-6 movement. His change is much firmer than usual, has a lot of backspin and results in somewhat more groundballs compared to other pitchers' changeups.