Rule sets / NCAA / 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 thedelivery but must continue to use a normal pitching sequence and arm action.
TODO: describe the Quick-Pitch Balk in plain English.
TODO: explain the rationale — what the rule is protecting against.
TODO: what the pitcher should do differently.