The 6’4 righty has an unorthodox high three-quarters arm angle, which is extremely deceptive. His arm angle emphasizes a downhill motion, which is accentuated as his splitter dives down. Trey Yesavage showcases special splitter in spectacular start to his MLB careerHis splitter, which averages 84 mph, is also so effective because he tunnels it so well off his fastball, which averages 93-95 mph. The incredible whiff rate is the highest rate for any MLB pitcher in their debut, since tracking began in 2009. Blue Jays Trey Yesavage: 52.8% Whiff Rate on MondaySince tracking begin in 2009….