Mark Randall McCumber (born September 7, 1951) is an American professional golfer who has played on the PGA Tour and Champions Tour. McCumber was born and raised in Jacksonville, Florida, where he attended Robert E. Lee High School. He turned professional in 1974 and joined the PGA Tour in 1978. McCumber won ten times on the PGA Tour between 1979 and 1994 including the prestigious Players Championship (1988) and Tour Championship (1994). He also won the World Cup for the United States in partnership with Ben Crenshaw in 1988. He played on the 1989 Ryder Cup team.