English

Noun

four-seam fastball ‎(plural four-seam fastballs)

1. (baseball) A backspin pitch thrown with a ball gripped in the direction to cause four of the seams of the ball to cross the flight path and released with roughly equal pressure by the index and middle fingers

   The pitcher had a blazing four-seamer.

See also

• curveball
• slider
• fastball
• cut fastball
• two-seam fastball
• split-finger fastball
• sinker
• screwball
• knuckleball