A pitch thrown with the ball gripped on the fingertips and released with no rotation which travels over an unpredictable path to the plate due to micro-turbulence in the air
Boston Red Sox pitcher Tim Wakefield is best known for his use of the knuckleball.
Baseball - A slow pitch made by releasing the ball from the knuckles of the index and middle finger
A pitch thrown with the ball gripped on the fingertips and released with no rotation which travels over a unpredictable path to the plate due to micro-turbulance in the air