Page scored on a 2-yard run with 3:38 remaining in the game for the go-ahead touchdown as the Rattlers (2-2) erased a 33-17 deficit over the final 15:11.
The Rattlers picked off Southern quarterback Dray Joseph three times, including twice in the fourth quarter. Florida A&M's John Williams intercepted a pass that set up a drive ending with Page's 1-yard touchdown run with 11:09 to play. That cut Southern's lead to 33-31. Marvin Ross sealed the win for the Rattlers with an interception with less than a minute to go.
Page ended the game with 73 yards rushing on 16 carries.
Southern (1-3) led 19-17 at halftime on a 1-yard run by Sylvester Nzekwe with 36 seconds remaining in the half.