Wiktionary
quick pitch
vb. (context baseball English) To pitch earlier than the pitcher's rhythm in an attempt to deceive either the batter or runner. This sometimes leads to a balk.
Wikipedia
Quick Pitch (TV series)
Quick Pitch is an American television show centered on showing highlights of baseball games from the previous night. Quick Pitch airs on MLB Network during the MLB regular season at 1 A.M. ET every weeknight (sometimes earlier if there are fewer than three west coast games), 8 P.M. ET every Sunday, and after Saturday Night Baseball or MLB Tonight every Saturday. Reruns of Quick Pitch are also shown every morning during the regular season.
The show's opening theme song is "Crowd Chant" by Joe Satriani.