He played varsity football at Rainbow City/Cristobal in the Panama Canal Zone, then an unincorporated territory of the United States.
[1] He lives in Roswell, Georgia, with his family, teaches Spanish and linebacker coach for Blessed Trinity Catholic High School.
At New Mexico State, Barker racked up 378 career tackles; enough to place him number four on the all-time Aggie list.
In 2003, Leo Barker was inducted into the New Mexico State University Intercollegiate Athletic Hall of Fame.
In 1989, Barker helped lead them to a league best 12-4 record and an appearance in Super Bowl XXIII.