Prior to that he played for four seasons at the University of Texas where he was an All-American honorable mention and nicknamed "the Hitman".
During his senior year at Texas in 1987, Hagy was a team captain and earned All-Southwest Conference and All-American Honorable Mention honors as a safety;[5] and he became the first UT defensive player to score touchdowns on a punt return and an interception return in the same game.
[7] In his first season he made a challenge for the starting free safety position, but suffered a season-ending knee injury in September.
[9] In 1993 he was again signed in the offseason and released before the season started, this time by the Seattle Seahawks and to the retired list.
[9] Hagy appeared in a total of 28 career games, including 11 starts during which he recorded 2 interceptions for 23 yards.