Gary Robert Tuck (born September 6, 1954) is an American former professional baseball player, coach, and manager.

He started his baseball career as a catcher for the Montreal Expos organization and played for them during three minor league seasons.

After winning an NCAA championship with Arizona State, Tuck was hired to coach for the nearby Tucson Toros, a Minor League affiliate of the Houston Astros.

[5] With the Yankees, Tuck served as the bullpen coach for the start of the 1990 season under manager Bucky Dent.

[6] Tuck worked with Jorge Posada as a young player, and prepped him to eventually take over for starting catcher Joe Girardi.

Tuck returned to the Yankees prior to the 2003 season and spent the next two years as catching instructor.

[12] On January 29, 2013, he notified the Red Sox that he intended to retire effective immediately, ending his six-year tenure with the team.