When I spoke with Tyler Glasnow earlier this month about his fastball, he explained that, to get the baseball on track to the plate, he never gets his hand directly behind the ball. Like many pitchers, his hand, “naturally comes to the side of it.”
At this point, we were standing in the long and narrow visitor’s clubhouse at the Rogers Centre in Toronto. Glasnow had frozen his right arm in the air, and was briefly studying his own hand as he spoke, pointing to and prodding at elements of the ball and his grip as he narrated his approach, before making the off-hand comment: “It’s why it’s hard for me to throw a changeup.