The Rebels trailed by 11 at halftime, then fought to push the game into overtime but lost 87-85 to Indiana State, in an opening-round game of the Diamond Head Classic.
Today, Ole Miss plays San Francisco (5-5), which lost 80-58 to No. 18 San Diego State. It tips off at 2 p.m. on ESPNU.
Guard Marshall Henderson led Ole Miss (8-2) with 27 points. But Henderson (10 of 23) missed as many shots as any of his teammates attempted.
The loss spoiled strong inside games for Reginald Buckner (17 points, 10 rebounds) and Murphy Holloway (16 and 13).
Manny Arop scored 27 points on a more efficient 9 of 15 effort from the field to lead Indiana State. All five Sycamores starters finished in double digits.
Ole Miss led 24-14 with 11:10 to play in the first half but trailed 44-33 at halftime.
Nick Williams hit a 3-pointer with 1:07 left in regulation to tie the game at 75. But Henderson missed a layup and Summers missed a jumper that could have won it.
Also on Saturday
No. 12 Missouri 82, No. 10 Illinois 73: Laurence Bowers had 23 points and 10 rebounds to lead the Tigers (10-1). Phil Pressey handed out 11 assists.
Kansas State 67, No. 8 Florida 61: The Wildcats (9-2) scored their first regular-season, non-conference win over a top 10 team since defeating No. 8 Minnesota on Dec. 21, 1981.
Winthrop 74, Auburn 67: Christian Farmer hit four 3-pointers in the second half and scored a season-high 15 points for the visiting Eagles (5-5).
Auburn’s Jordan Price, who’d hit 11 consecutive 3-pointers, missed his only attempt.
Georgia 64, Southern Cal 56: Kentavious Caldwell-Pope scored 12 of his 25 points in the first 5 minutes of the second half for the Bulldogs (4-7).
Southern 53, Texas A&M 51: Malcolm Miller scored 17 points, including four late free throws, to lift the Jaguars (5-6).
Arkansas 95, Alabama A&M 68: Marshawn Powell scored 20 points for the Razorbacks (7-4).
Kentucky 82, Marshall 54: Ryan Harrow scored 23 points for the Wildcats (8-3).
South Carolina 63, Manhattan 57: Brenton Williams scored 17 to lead the Gamecocks (8-3).
Mercer 66, Alabama 59: The Bears (7-6) outscored the host Tide 44-32 after halftime.
Marquette 84, LSU 80: Andre Stringer finished with a season-high 20 points for the visiting Tigers (7-2).