After a pretty wild week in college football, some of the contenders for the national title are starting to show why they belong.

Last season's breakout teams in Ole Miss and Penn State, despite some weak schedules, are among the big four teams in Florida, Texas, USC, and Alabama atop the polls.

Meanwhile, some of the top teams at the start of the year, Oklahoma State and Ohio State, have fallen out of the top ten after crushing home defeats. And hail, Michigan has made its return to the top 25 for the first time since 2007 (note: only AP poll).

All that said, here are five things that fans have learned after a second week of college football:

1.) Offensive inconsistencies will hamper the Buckeyes
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