TALLAHASSEE, Fla. -- Antoine Allen hit four 3-pointers and scored 21 points to lead South Alabama to a 76-71 season-opening upset of No. 24 Florida State on Friday night. Augustine Rubit added 12 points and Mychal Ammons had 11 points and 11 rebounds for South Alabama, which shot 9 of 15 from 3-point range. Terry Whisnant and Montay Brandon had 11 points apiece for the Seminoles, the defending Atlantic Coast Conference champions. Senior guard Michael Snaer had 10 points at halftime but was held scoreless in the second half. He shot 2 of 11 in the game. Terrance Shannon returned from a shoulder injury to score 10 points for Florida State. Florida State, which had 17 turnovers and just nine assists, had won 11 straight season openers.