Rule sets / NCAA / Quick-Pitch Balk
Quick-Pitch Balk
A pitcher may not deliver a pitch before the batter is reasonably set in the box. Doing so is a balk.
If there is a runner or runners, a balk shall be called for the following action by a pitcher:
Making an illegal pitch, such as a quick pitch.
Note: If a runner on third base breaks for home plate, the pitcher may speed up the delivery but must continue to use a normal pitching sequence and arm action.