There are currently four undefeated teams with net ratings at KenPom.com above 30. They are Arizona , Michigan , Duke and Iowa State , the four teams that are No. 1, No. 2, No. 3 and No. 4 (in that order) in Monday morning's updated CBS Sports Top 25 And 1 daily college basketball rankings.

Why do I have Arizona No. 1?

Honestly, it's because I'd already had Arizona No. 1 for 17 days before Saturday's games happened, and there was just no way I was going to drop the Wildcats from the top spot following their 97-68 win over Auburn even if A) Duke is now the only team of the group with four Quadrant 1 wins, B) nobody is punishing opponents like Michigan, and C) it's possible we'll finish this season without anybody recording a more impressive victory than the 81-58 win Iowa Stat

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