Grover Leroy Gregory is a former Major League Baseball pitcher and pinch hitter who played for the Chicago Cubs in 1964.

He spent time in the minors, was released, and before the 1964 season was signed by the Cubs.

On April 17, 1964, he made his big league debut at the age of 25 wearing number 28.

Gregory played his final game on September 11, 1964.

This biographical article relating to an American baseball pitcher born in the 1930s is a stub.