In 1979 at Texas, Hatchett recorded six interceptions in his final season before entering the NFL draft. The Baltimore Colts selected Hatchett, the 5-foot-11 defensive back, in the late first round.
As a rookie in 1980, Hatchett played all 16 games for Baltimore, but only recorded a fumble recovery and no interceptions. In 1981, made two picks in 16 games, but he played less in 1982 and in 1983, his last season in the NFL, he was traded to Houston.