Brent Allen Gaff (born October 5, 1958) is an American former professional baseball player who played for the New York Mets from 1982–84.

He was 23 years old when he broke into the big leagues on July 7, 1982, with the New York Mets.

Although the Mets lost the game, 3–2, to the San Francisco Giants, Mets manager George Bamberger was quoted as saying, "The kid's got good command of his stuff and great confidence in himself.

[1] Gaff missed the entire 1985 season due to a partial tear of the rotator cuff in his right shoulder, and was released by the Mets in November of that year.

This biographical article relating to an American baseball pitcher born in the 1950s is a stub.