Gregory Alfred Martinez (born January 27, 1972) is a former professional outfielder.

Martinez was drafted by the Milwaukee Brewers in the twenty-fourth round of the 1993 Major League Baseball Draft.

[1] He played with the team at the Major League Baseball in 1998.

Martinez played at the collegiate level at Barstow Community College.

This biographical article relating to an American baseball outfielder born in the 1970s is a stub.