Seattle Mariners
Although they have not thrown an MLB pitch in 2024, Kevin Gregg threw 7,386 pitches that were tracked by the PITCHf/x system between 2007 and 2015, including pitches thrown in the MLB Regular Season and Spring Training. In 2015, they relied primarily on their Fourseam Fastball (92mph), also mixing in a Splitter (84mph), Curve (81mph) and Cutter (89mph).
In 2015, compared to other RHP:
Their fourseam fastball has some natural sinking action, has essentially average velo, results in somewhat more groundballs compared to other pitchers' fourseamers and has slight armside run. Their splitter is an extreme flyball pitch compared to other pitchers' splitters and has slight armside fade. Their curve results in more flyballs compared to other pitchers' curves, has little depth, is slightly harder than usual and has primarily 12-6 movement. Their cutter is an extreme flyball pitch compared to other pitchers' cutters and generates fewer whiffs/swing compared to other pitchers' cutters.