NCAAF Top 25 Preseason Rankings

College football is back this week so bettors may want to review who's in the Top 25, why they're there, and how they stack up on the latest BCS title odds.

1. Alabama (+500) – The defending national champs should be an offensive powerhouse with experienced QB Greg McElroy and Heisman running back Mark Ingram. With only two defensive starters back, the Crimson Tide have to restock.

2. Ohio State (+450) – The Buckeyes are the class of the Big Ten and could post the top offense and defense in the conference. Quarterback Terrelle Pryor should come into his own this season and is a legitimate Heisman contender.

3. Boise State (+1000) – The Broncos don't get the respect they deserve because they play in the WAC. With 10 starters back on both offense and defense they voters may not be able to ignore the Broncos if they go undefeated again.

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4. Florida (+700) – Bye-bye Tim Tebow. Don't worry, though, as new QB John Brantley should actually improve the passing attack - but the run game will see a drop-off.

5. Texas (+1500) – The Longhorns say good bye the Colt McCoy. New QB Garrett Gilbert has a lot to live up to, but a still-strong Texas defense should help with the transition.

6. TCU (+1500) – The Horned Frogs are stocked with veteran talent with nine starters on offense and seven starters on defense coming back. Playing in the Mountain West will get them wins, but could keep them from playing for a national title.

7. Oklahoma (+600) – The Sooners lost seven players to the NFL draft, including QB Sam Bradford. Oklahoma played without Bradford most of last season though, so expect big things from Landry Jones in his first year as the true starting QB.

8. Nebraska (+1200) – Bo Pelini continues to move the Cornhuskers up the college football ranks. The defense has a big hole to fill with Ndamukong Suh, but the offense should give the D time to gel with nine starters returning.

9. Iowa (+2000) – Quarterback Ricky Stanzi enters his senior season with a chance to lead Iowa to the top of the Big Ten. With their defense, don't count them out.

10. Virginia Tech (+2500) – The Hokies should dominate on the ground with speedy QB Tyrod Taylor and the awesome running back duo of Ryan Williams and Darren Evans. Their opener against Boise State could make or break their season.

11. Oregon (+2000) – No Jeremiah Masoli at quarterback could mean a long season for the Ducks unless Darren Thomas surprises.

12. Wisconsin (+4000) – With 10 offensive starters back keep a close eye on the Badgers early in the season.

13. Miami (FL) (+3000) – The Hurricanes are strengthening, but road games at Ohio State and Georgia Tech will likely decide their fate this season.

14. USC (ineligible) – Lane Kiffin's first season is also the beginning of sanctions at USC that will keep the Trojans out of a bowl game no matter how good they are.

15. Pittsburgh (+6000) – If they can avoid another late-season slump they could take the Big East.

16. Georgia Tech (+7500) – The defending ACC champion has a killer road schedule that could derail their chances at a title repeat.

17. Arkansas (+4000) – QB Ryan Mallett is a Heisman dark horse.

18. North Carolina (+6000) – The No. 1 defense in the ACC has nine starters returning.

19. Penn State (+7500) – New starting QB Kevin Newsome gets thrown right into the fire with a Week 2 game at Alabama.

20. Florida State (+7500) – The Seminoles need their defense to rebound from a horrific season, but the offense should be lethal behind QB Christian Ponder.

21. LSU (+4000) – Has a somewhat favorable schedule ahead of them, but with only 10 returning starters in total the Tigers have their work cut out for them to challenge in the SEC.

22. Auburn (+4000) – Their starting QB and RB from last season are gone, but a nice schedule at home could help the Tigers get to a late matchup with Alabama undefeated.

23. Georgia (+4000) – With 10 offensive starters returning the Bulldogs should climb the standings in the SEC again.

24. Oregon State (+10000) – In the talented Pac-10 the Beavers could have their hands full. Starting with TCU in Week 1 will give them a test immediately.

25. West Virginia (+7500) – The Mountaineers' defense with nine starters returning could be the top unit in the Big East this season.