Johni Broome 's injury makes Auburn's spot more tenuous, but the Tigers beat Mississippi State by 22 even without him. Duke is barely breaking a sweat while blowing out inferior ACC competition. And then there's Iowa State, which has only a two-point loss to Auburn blemishing its résumé and just dispatched Kansas by 17.

Auburn overcame a halftime deficit to win at South Carolina on Saturday, 66-63, extend its winning streak to eight games and remain No. 1 in Sunday morning's updated CBS Sports Top 25 And 1 daily college basketball rankings.

Kentucky is one of three teams still undefeated in conference play. The Wildcats are on the rise in this week's SEC women's basketball power rankings.