Wisconsin is 8-0 overall and 5-0 in the Big Ten, its best start since opening 9-0 in 1998.
USC (7-0 overall) remains No. 1 in each poll, followed by Oklahoma (7-0), with Florida State (6-1) No. 5 in each poll. Miami (Fla.) (6-0) comes in No. 3 in the coaches' poll and No. 4 in the AP, while Auburn (8-0) is No. 3 according to AP and No. 4 on the coaches' list.
Wisconsin, which was ranked No. 6 in the initial BCS rankings last week, improved its share rating in the coaches poll from .71344 to .75541 and in the AP from .76308 to .77846, while BCS No. 5 Florida State slipped to .79869 (from .80918) and .77908 (.80246), respectively. Despite a 63-28 win over UNLV Saturday, BCS No. 7 Utah saw its share in the coaches' poll drop from .66557 to .65639. The Utes' AP rating, however, jumped from .65969 to .67877.
Wisconsin has a bye this week and next takes the field Nov. 6, when it hosts Minnesota (6-2 overall, 3-2 Big Ten) at Camp Randall Stadium. Kickoff and television coverage for the game should be announced Monday morning.