Don't get comfortable, Florida. Same goes for you, Kansas State. Notre Dame, too.
For the second straight week, multiple top-five teams in The Associated Press football poll lost and the rankings got a shake-up behind No. 1 Alabama and No. 2 Oregon.
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South Carolina and West Virginia were the big losers this week, and the Gators, Wildcats and Fighting Irish were the beneficiaries.
Florida moved up a spot to No. 3 on Sunday after beating Vanderbilt 31-17. No. 4 Kansas State (which defeated Iowa State 27-21) and No. 5 Notre Dame (which beat Stanford 20-13 in overtime) each moved up two spots. All three of them have big challenges directly ahead.
Alabama continued to roll along, routing Missouri 42-10, and Oregon had an even easier week. The Ducks were off. The Crimson Tide is a unanimous No. 1 for the third straight week. The season's first BCS standings were due out late Sunday and Alabama and Oregon were expected to be first and second in that, too.
Both are on the road this week - Alabama at Tennessee and Oregon at Arizona State on Thursday night - and there have been more than enough reminders recently that there are no sure things away from home.
South Carolina was handed its first loss at LSU, a 23-21 setback that dropped the Gamecocks to No. 9.
"That was Death Valley," Tigers coach Les Miles said triumphantly afterward. "That was the place where opponents' dreams come to die - and it was spectacular."
The Gamecocks' next stop is Gainesville, Fla. The Gators are unbeaten and have their best ranking since the end of the 2009 season, Tim Tebow's last playing at the Swamp.
South Carolina-Florida could very well determine who wins the SEC East.
Kansas State takes its best ranking since 2000 to Morgantown, W.Va., where the Mountaineers will be looking to bounce back from a startling 49-14 loss at Texas Tech. Kansas State is the only unbeaten team left in the Big 12, and Wildcats quarterback Collin Klein seems to have taken the Heisman Trophy front-runner status from West Virginia's Geno Smith.
As for Notre Dame, the Irish are at home to face BYU (4-3), before a road trip to No. 10 Oklahoma on Oct. 27.
A third straight week of shuffling at the top of the media poll would be no surprise.
For all of LSU's offensive issues during the first half of the season, the Tigers are back where they need to be, primed to pounce in the national title race.
The Tigers moved up three spots to No. 6 in the AP rankings Sunday after beating South Carolina.
LSU's passing game still lacks pop. Zach Mettenberger was 12 for 25 for 148 yards against the Gamecocks, and at some point he'll need to do more. Maybe when LSU visits surprising No. 20 Texas A&M, with fast-rising Heisman contender Johnny Manziel guiding the top-ranked offense in the SEC.
The Tigers can take comfort in the fact that a patchwork offense line and their seemingly limitless stable of talented tailbacks were able to wear down a good South Carolina defense. LSU had 258 yards rushing on 53 carries. And, of course, the Tigers' defense is still nasty.
Alabama comes to Death Valley on Nov. 3, and it could still be a game that decides the SEC West, and maybe a spot -- or two -- in the BCS title game.