Although they have not thrown an MLB pitch in 2023, Marco Gonzales threw 13,483 pitches that were tracked by the PITCHf/x system between 2014 and 2022, including pitches thrown in the MLB Regular Season and Spring Training. In 2022, they relied primarily on their Change (79mph) and Fourseam Fastball (89mph), also mixing in a Cutter (86mph), Curve (77mph) and Sinker (88mph).
In 2022, compared to other LHP:
His change has slight armside fade, has slightly below average velo and has some natural sink to it. His fourseam fastball results in more flyballs compared to other pitchers' fourseamers, has some natural sinking action and has slightly below average velo. His cutter generates fewer whiffs/swing compared to other pitchers' cutters and has good "rise". His curve generates fewer whiffs/swing compared to other pitchers' curves, results in many more groundballs compared to other pitchers' curves and has a sharp downward bite. His sinker is basically never swung at and missed compared to other pitchers' sinkers, has less armside run than typical and has slightly below average velo.