Southern Mississippi only dressed seven players for the game and three of those players fouled out.
The Golden Eagles were left with four players when sophomore guard Matt Bingaya fouled out with less than a minute remaining in overtime.
FIU won the game 73-71 and Southern Miss could have forced double overtime but guard Chip Armelin, who led the Golden Eagles with 24 points, missed a potential game-tying shot at the buzzer.
Southern Miss is under an NCAA investigation into possible recruiting violations committed under former coach Donnie Tyndall, who now coaches at Tennessee.
Southern Miss is 6-17 (1-11 Conference USA) this season under first-year coach Doc Sadler. The program will not participate in the postseason after a self-imposed ban, amid the NCAA investigation.
- Scooby Axson