they'll play the loser of the Florida-Arkansas game for the SEC championship.

The Badgers have already accepted the bid for the Capital One Bowl, which has the #2 Big 10 team (now #3 because of Ohio St. and Michigan) play the #2 SEC team. The two SEC teams that will play for the SEC Championship will be Florida and Arkansas, so if one of them loses their last regular season game before the championship, then Wisconsin will play them. If they both win their last game the winner of the championship game will go the Sugar Bowl (or National Championship Bowl, depending on USC), and the loser could still possibly go to a BCS bowl as an at-large. So right now, it looks like it is either going to be Florida, Arkansas, or maybe even LSU or Auburn.