Roger Leroy Mason (born September 18, 1957) is an American former professional baseball player who pitched in the Major Leagues primarily in relief from 1984 to 1987, 1989, and 1991–1994.

Mason was a member of the 1984 World Series champion Detroit Tigers, and appeared in the 1993 World Series for the Philadelphia Phillies. He pitched collegiately at Saginaw Valley State University.

In November 2008, Mason was hired as the pitching coach for the Traverse City Beach Bums of the independent Frontier League. In his initial season as coach, the Beach Bums posted the third lowest earned run average in the league.

• Career statistics and player information from Baseball Reference, or Fangraphs

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