Miami Marlins
Although they have not thrown an MLB pitch in 2024, Clayton Mortensen threw 2,821 pitches that were tracked by the PITCHf/x system between 2009 and 2013, including pitches thrown in the MLB Regular Season and Spring Training. In 2013, they relied primarily on their Fourseam Fastball (90mph), Slider (86mph) and Change (84mph).
In 2013, compared to other RHP:
Their fourseam fastball has heavy sinking action, is basically never swung at and missed compared to other pitchers' fourseamers, has an obvious tail, has below average velo and results in somewhat more groundballs compared to other pitchers' fourseamers. Their slider has exceptional depth, results in many more groundballs compared to other pitchers' sliders and has primarily 12-6 movement. Their change generates fewer whiffs/swing compared to other pitchers' changeups, results in somewhat more flyballs compared to other pitchers' changeups and has slight armside fade.