Chris Braswell and Willie Clayton each provided 11 points for the 49ers (18-6, 6-4 A-10) .
Darion Clark helped out with 10 points and nine rebounds in Charlotte's surprising win.
Butler (20-5, 7-3), meanwhile, had its three-game winning streak snapped despite 18 points and seven rebounds from Rotnei Clarke and 17 points and eight boards from Roosevelt Jones.
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