In Raleigh, N.C., Joel Berry II scored 18 points to help North Carolina beat rival North Carolina State to stay alone in first place in the Atlantic Coast Conference.
Luke Maye added a career-high 13 points for the Tar Heels (22-5, 10-3), who shot 56 percent while dominating both the paint and the glass to blow out the Wolfpack for the second time in a month. UNC had won the first meeting 107-56 for the second-worst loss in N.C. State's history.
UNC finished with a 60-22 edge in points in the paint and a 41-25 rebounding advantage that led to a 27-13 edge in second-chance points.
Freshman Dennis Smith Jr. scored 27 points but little else went right for the Wolfpack (14-13, 3-11), who continued their accelerating descent that has led to growing uncertainty about the future of sixth-year coach Mark Gottfried.
No. 18 Cincinnati 68, South Florida 54 • In Tampa, Fla., Kevin Johnson scored 14 points and Gary Clark had 13 points and 14 rebounds as Cincinnati bounced back from its first loss in two months.
The Bearcats (23-2, 12-1 American) shrugged off last Sunday's nine-point loss to SMU and surpassed their victory total for last season. Kyle Washington had 13 points and nine rebounds, while Jacob Evans overcame early foul trouble to finish with 10 points.
USF (7-18, 1-13) snapped a 12-game losing streak last weekend and found a way to keep it relatively close until Cincinnati began the second half on an 11-2 run to build its lead to 41-24. Geno Thorpe led the Bulls with 19 points.
No. 19 SMU 80, Tulane 75 • In Dallas, Semi Ojeleye scored 16 of his 18 points in the second half, including consecutive 3-pointers in the SMU run that finally put the Mustangs ahead.
With the rally from a 15-point halftime deficit, SMU (23-4, 13-1 American) extended its home winning streak to 20 games in a row, including all 16 this season. The AAC-leading Mustangs have a nine-game winning streak and have won 19 of their last 20 games overall
Jarrey Foster had 19 points, including three consecutive dunks in one stretch for SMU. Ben Moore had 15 points with 13 rebounds, while Shake Milton and Sterling Brown each had 13 points.
Cameron Reynolds had 23 points for Tulane (4-21, 1-12).