Scientists throw a curve at knuckleball explanation

‘Drag crisis,’ not baseball’s seams, dictates fluttery flight paths, new study suggests

Boston Red Sox pitcher Tim Wakefield

PITCH PERFECT  Former Boston Red Sox pitcher Tim Wakefield unleashes a knuckleball in 2002. These pitches swerve in midair, making them difficult to hit. New research indicates that knuckleballs' wild behavior may be due to a phenomenon known as a drag crisis.

Andrew Savulich/NY Daily News Archive via Getty Images

Knuckleballs baffle baseball players with their unpredictable swerves.