Nos. 1 and 2 go down: Purdue + Houston fall; Nebraska, Iowa St., Texas get first big wins of the season. Plus: the case for and against Kansas as No. 1

Gary Parrish and Matt Norlander recap a wild middle of the week that saw both the No.1 and No.2 teams lose.(00:31) - "You don't just walk into..."(09:00) - The final undefeated team falls.(18:35) - Kansas is the clear no. 1 in the land(29:29) - Tuesday Whiparound