Marshall Henderson scored 22 points, and Mississippi clinched a double-bye in the Southeastern Conference tournament with an 81-67 victory over LSU on Saturday.
Murphy Holloway scored 16 points, Jarvis Summers added 15 and Nick Williams 11 for Ole Miss (23-8, 12-6 Southeastern Conference), which will be one of the top four seeds in the league tournament next week.
Johnny O'Bryant III had 17 points and 12 rebounds for LSU (18-11, 9-9), which needed a victory to finish higher than the eighth seed and avoid a potential quarterfinal pairing with league-leading Florida. Andre Stringer scored 18 for the Tigers.
LSU absorbed an early blow when Carmouche, who had scored 20 or more in five of six games coming in, landed hard on his left side on a drive the hoop. He returned after receiving treatment in the locker room, but finished with only eight points.