Watch as Tanner Roark unveils baseball's most unhittable pitch
OK, so maybe he just slipped and fell off the mound. MLB.com correspondent Brian Heyman talked to Roark postgame.
"I caught the cleat," Roark said. "I tried to stay behind the ball. Sometimes I get out in front with my body. My arm's lagging behind. So, I just try to tell myself to stay behind it. My leg got down a little too far and caught the front.
Even still, Ted Williams couldn't have hit that thing.