Terrance Henry scored 13 points, including four points in the final two minutes, to lead Mississippi over Southern Methodist 50-48 on Tuesday night.
Ole Miss (10-4) struggled all night to put away the Mustangs, trailing 48-46 with less than two minutes remaining. But Henry scored on a driving layup to tie the game and then hit two free throws with 28.3 seconds remaining to give the Rebels the lead.
Ole Miss snapped a three-game losing streak. Reggie Buckner added eight points, 11 rebounds and two blocked shots. Maurice Aniefiok scored eight points off the bench.
Robert Nyakundi scored 12 points and Jeremiah Samarrippas added 10 as SMU rallied from a 31-21 second-half deficit, but it wasn't enough. The Mustangs (8-6) shot 36.5 percent (19 of 52) from the field.