UCLA remains the No. 1 team in the CBS Sports women's college basketball Power Rankings with a 21-0 record, which marks the best start in program history. Meanwhile, USC dropped to No. 7 after the Trojans were stunned by Iowa in Caitlin Clark's jersey retirement game.

The Hawkeyes didn't need some absurd, out-of-body showing to upset USC. Why that gives Iowa the best chance to carry this momentum forward.

Handing USC its first-ever Big Ten loss was not going to be easy. Jan Jensen's game plan and adjustments were executed by a growing group of players.