Baseball Lab: Why Do Some Balls Curve Foul Off The Bat?

You’ve probably seen it before: A Boston Red Sox player hits a hard ball down the right- or left-field line, but the ball slowly curves foul and winds up in the seats out of play.

Have you ever wondered why a ball curves like that off the bat?

NESN Clubhouse host T.J. visited Patrick Drane, the assistant director of UMass Lowell’s Baseball Research Center, to get the answer.

Check it out in the video above!

Thumbnail photo via Greg M. Cooper/USA TODAY Sports Images