Pittsburgh Pirates
Although they have not thrown an MLB pitch in 2024, A.J. Burnett threw 27,275 pitches that were tracked by the PITCHf/x system between 2007 and 2015, including pitches thrown in the MLB Regular Season and the MLB Postseason. In 2015, they relied primarily on their Sinker (91mph) and Curve using a Knuckle Curve grip (82mph), also mixing in a Fourseam Fastball (92mph) and Change (86mph).
In 2015, compared to other RHP:
Their sinker is basically never swung at and missed compared to other pitchers' sinkers, has less armside run than typical, results in somewhat more groundballs compared to other pitchers' sinkers and has some natural sinking action. Their curve using a knuckle curve grip generates more whiffs/swing compared to other pitchers' curves, is much harder than usual and has primarily 12-6 movement. Their fourseam fastball generates an extremely high number of swings & misses compared to other pitchers' fourseamers, is an extreme flyball pitch compared to other pitchers' fourseamers, has some natural sinking action, has essentially average velo and has slightly less natural movement than typical. Their change is basically never swung at and missed compared to other pitchers' changeups, dives down out of the zone, results in more flyballs compared to other pitchers' changeups and is slightly firmer than usual.