Schu scanned through video and found film of Harper hitting. He arranged clips of Harper and Ruth side-by-side on the monitor and stopped at the moment each hitter’s bat connected with a pitch. In each still picture, he saw a stiff front leg, an uncoiling torso and a back foot lifting off the ground. “Wow,” he thought. “That’s identical.”

“They’ve got that exact same swing at contact point,” Schu said later.

The Kid may need to put on some weight.

RTFA. Lots of video & ...