Chicago White Sox
Although he has not thrown an MLB pitch in 2020, Mike Pelfrey threw 23,841 pitches that were tracked by the PITCHf/x system between 2007 and 2017, including pitches thrown in the MLB Regular Season and Spring Training. In 2017, he relied primarily on his Sinker (92mph), also mixing in a Curve (71mph), Splitter (82mph) and Slider (84mph).
Basic description of 2017 pitches compared to other RHP:
His sinker has slight armside run. His curve comes in below hitting speed, generates more whiffs/swing compared to other pitchers' curves and has slight glove-side movement. His splitter has dives down out of the zone, has below average velo and results in somewhat more flyballs compared to other pitchers' splitters. His slider generates a very high amount of groundballs compared to other pitchers' sliders, generates fewer whiffs/swing compared to other pitchers' sliders, has less than expected depth and has primarily 12-6 movement.