cut fastball

listen to the pronunciation of cut fastball
Englisch - Englisch
A pitch thrown with an offset grip and a moderate amount of added pressure by middle finger yielding a combination of backspin and some sidespin, resulting in motion to the left when thrown by a right handed pitcher with velocity only slightly diminished from that of a fastball

His cut fastball tends to break bats.

A fastball released with most pressure from the tip of the middle finger so that it breaks slightly in the manner of a curve ball as it approaches the plate
cut fastballs
plural form of split-finger fastball
A cut fastball
cut fastball