a pitch that is not a fastball or curveball; often a change-up.

listen to the pronunciation of a pitch that is not a fastball or curveball; often a change-up.
Английский Язык - Английский Язык

Определение a pitch that is not a fastball or curveball; often a change-up. в Английский Язык Английский Язык словарь

A pitch that is not a fastball or curveball; often a change-up.
slowball