From Wolf's Fangraphs player page, over his career, he's worked with: FB: 88.2mph avg. velocity, thrown 61% of the time CB: 68.3, 19.9% CH: 77.1, 11.5% SL: 79.9, 7.5% It's worth noting that Wolf has trended away from using his change as much, in favor of his slider, the past two seasons. If anyone's at all interested in a basic look at what Wolf is like, the FanGraphs page is a quick & useful read.