Gerald Alphonse "Jay" Witasick Jr. (/wɪˈtɑːsɪk/; born August 28, 1972) is an American former professional baseball pitcher.

He pitched all or parts of 12 seasons in Major League Baseball (MLB) from 1996 to 2007, primarily as a relief pitcher.

[5] He made his MLB debut on July 7, 1996 as a member of the Oakland Athletics against the California Angels.

In 1999, Witasick was traded to the Kansas City Royals for a player to be named, Scott Chiasson, and was mainly used as a starter.

He began the following season with the Royals before being traded to the San Diego Padres for Brian Meadows.

In 2001, he was converted into a reliever full time, and was traded midseason by the Padres to the New York Yankees for D'Angelo Jiménez.

Witasick joined the Harford Community College baseball team as an assistant coach for the 2008 season.