CHARLOTTE, N.C. (AP) Michael Buchanan scored 24 points on 11-for-14 shooting and tied a career high with 14 rebounds, Mike Cunningham scored 10 points in overtime and South Carolina Upstate beat Charlotte 108-103 on Tuesday night.
Cunningham - who finished with 18 points - hit a jumper with 58 seconds left in the extra session to give South Carolina Upstate (3-2) a 100-98 lead it never seized.
The Spartans made all 10 of their free throws in the final 28 seconds with Cunningham hitting six. Ramel Thompkins added a career-best 22 points for the Spartans.
Hudson Price's 3 for Charlotte (3-1) put the 49ers on top 67-54 with 12:23 to play. Malik Moore answered with a 3-pointer 19 seconds later and the Spartans began their comeback.
Moore buried another 3 with 25 seconds left in regulation to tie it at 89. The 49ers' Jon Davis was unable to convert his layup attempt with two seconds left.