Why MLB hitters can't hit Jennie Finch and science behind reaction time

icon
Wednesday July 24th, 2013
Olympic champion softball pitcher Jennie Finch's fastball takes the same amount of time to reach the plate as a 95-MPH pitch from an MLB mound. But MLB hitters aren't used to the motion and rotation and can't pick it up.
Getty Images

Pujols stepped out of the batter's box, composed himself and stepped back in. He twisted his feet into the dirt and stared back at Finch.

Courtesy of Current
A hitter must decide where to swing before the ball has traveled half of its 400-millisecond journey home. Mariano Rivera's cutter is so vexing because it sometimes changes course after that point.
McKibillo
Courtesy of Current

To purchase a copy of The Sports Gene, go here.

SI Apps
We've Got Apps Too
Get expert analysis, unrivaled access, and the award-winning storytelling only SI can provide—from Peter King, Tom Verducci, Lee Jenkins, Andy Staples, Grant Wahl, and more—delivered straight to you, along with up-to-the-minute news and live scores.