Jacksonville State (8-2, 7-1) is the first team in conference history to win five-straight titles. The Gamecocks have beaten Tennessee State (3-5, 2-4) in eight of the last nine meetings and are 5-0 against the Tigers in Nashville.
Jacksonville State, ranked eighth in the FCS Top 25 poll, travels to second-ranked Kennesaw State (9-1) next Saturday.
Cooper completed all three of his scoring passes on consecutive possessions. Jamari Hester caught two touchdown passes and Josh Pearson had one. Michael Matthews' 16-yard touchdown run gave the Gamecocks a 27-7 halftime lead.
Jalen Choice and Yul Gowdy each had a pick-6 in the fourth quarter for Jacksonville State.
Shawn McColley and Te'kendrick Roberson had touchdown runs for Tennessee State. Micheal Hughes was 15-of-29 passing for 164 yards and threw three interceptions.
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