The Tar Heels are 11-0 and easily outpointed No. 2 Connecticut (10-0). The Huskies beat Gonzaga in Seattle on Saturday after rallying from a double-digit second-half deficit.
Pittsburgh (12-0) remained third, followed by Oklahoma (11-0). Duke (10-1) climbed from sixth to fifth.
The rest of the top 10 includes No. 6 Wake Forest (10-0), No. 7 Gonzaga (8-2), No. 8 Texas (9-2), No. 9 Georgetown (8-1) and No. 10 UCLA (8-2). Wake Forest climbed from the 10th spot after a win over Richmond. Texas fell from fifth to eighth after losing to No. 22 Michigan State on Saturday.
Xavier fell from seventh to the 12th spot after losing to Duke. Louisville tumbled 10 spots to No. 19 after losing to Minnesota.