The non-conference season is done and the Big Ten boasts five undefeated teams, and five teams in the AP Top 25, including the top two teams. Michigan and Wisconsin have both come back strong after season-opening defeats to top-flight teams in Utah and Alabama, respectively. Plus, Northwestern's wins over Stanford and Duke have looked even better as those teams have beaten USC and Georgia Tech, respectively. The Big Ten seems to be a pretty decent conference these days.
Here are our power rankings after four weeks of college football:
1 Ohio State Buckeyes |