UW dropped three spots to No. 11 in the latest AP rankings and five spots to No. 13 in the coaches poll.
Four Big Ten teams are ranked in the AP poll. Ohio State is No. 2, followed by Michigan (No. 4), Wisconsin and Nebraska (No. 12).
The same four programs occupy spots in the coaches poll. The Buckeyes (No. 2), Wolverines (No. 4), Huskers (No. 12) and Badgers remain.
Michigan State dropped out of both polls after its overtime loss to Indiana.
Wisconsin has a week to rest with its bye week before welcoming Urban Meyer and Ohio State under the lights of Camp Randall Stadium on Oct. 15.