Power Rankings: Top-10 teams go down

— -- A wild first weekend of college football has left us with a Power Rankings full of upset victors, pleasant surprises and a completely revamped top 10. ?

Power Rankings voters: Edward Aschoff, Butch Davis, Heather Dinich, Brad Edwards, Chris Fallica, Rod Gilmore, Danny Kanell, Chris Low, Ivan Maisel, Ryan McGee, Brett McMurphy, Adam Rittenberg, Mark Schlabach

1. Alabama Crimson Tide (1-0)

Preseason ranking: 20
Week 1 result: Defeated UC Davis 53-28

Concerns about the Ducks' defense didn't evaporate in a 53-28 victory over UC Davis, but new quarterback Dakota Prukop had an efficient day (21-for-30, 271 yards and three touchdowns, with no interceptions). Oregon hosts Virginia next.

Others receiving votes: North Carolina, Boise State, Florida, Miami, San Diego State, Western Michigan, Colorado, Appalachian State?