Two weeks after suffering a concussion that had him in doubt for the game, Tebow led the defending national champions and No.1-ranked team past their toughest regular-season test, beating the No.4-ranked Tigers..

By the time it was over, Tebow had thrown a touchdown pass and Florida's defense had sacked opposing quarterback Jordan Jefferson five times.

The crowd of 93,129 was the biggest in LSU's history.

No. 2 Texas 38, Colorado 14

In Austin, Texas, Earl Thomas returned an interception 92 yards for a touchdown and Ben Wells recovered a blocked punt for another score to help Texas pull away from Colorado in the second half.

Jordan Shipley returned a punt for a touchdown in the fourth quarter for the Longhorns, who can now look ahead to next weekend's showdown with No. 19 Oklahoma.

No. 3 Alabama 22, No. 20 Mississippi 3

In Oxford, Mississippi, Mark Ingram rushed for 172 yards and a touchdown and Alabama downed Mississippi.

Jevan Snead threw four interceptions for Ole Miss, tying a career high, and the Crimson Tide scored after a blocked punt and a fumble recovery on a punt return.

Arkansas 44, No. 17 Auburn 23

In Fayatteville, Arkansas, Michael Smith rushed for 145 yards and a touchdown, and Arkansas held off a late Auburn rally to hand the Tigers their first loss.

Arkansas jumped out to a 34-3 lead before Auburn responded with a three-touchdown flurry toward the end of the third quarter.

No. 5 Virginia Tech 48, Boston College 14

In Blacksburg, Virginia, Tyrod Taylor, Ryan Williams and Virginia Tech's defense made sure the Hokies' regular season losing streak against Boston College ended.

Taylor threw two early touchdown passes, and Williams ran for 159 yards and a TD.

No. 9 Ohio State 31, Wisconsin 13

In Columbus, Ohio, Kurt Coleman and Jermale Hines returned interceptions for touchdowns and Ray Small brought a kickoff back 96 yards, dealing the self-destructive Badgers their first loss of the season.

Coleman, playing his first game since a suspension for a late hit, was the only person near Scott Tolzien's pass in the first quarter and returned it 89 yards.

No. 10 TCU 20, Air Force 17

At Air Force Academy, Colorado, Andy Dalton and TCU slid their way through the icy mist, the freezing cold and the Air Force defense to keep their BCS hopes alive with a dicey win over the Falcons.

With temperatures below zero and a frozen mist and drizzle falling, Dalton threw for 198 yards, receiver Jeremy Kerley had a rushing touchdown and a 52-yard kickoff return and the Horned Frogs finished with 393 yards, all but 22 of them in the first three quarters.

No. 11 Miami 48, Florida A&M 16

In Miami, already trailing the Miami Hurricanes by three touchdowns, Florida A&M tried lining up on defense with 13 players, but was still thrashed by Miami.

The referee threw a flag and sent two Rattlers to the sideline, and four plays later the Hurricanes scored another touchdown en route to a victory.

No. 12 Iowa 30, Michigan 28

In Iowa City, Iowa, Ricky Stanzi threw for 284 yards and two touchdowns and Iowa survived yet another close call, beating Michigan for its best start since 1985.

Michigan coach Rich Rodriguez pulled quarterback Tate Forcier in the fourth quarter.

No. 13 Oregon 24, UCLA 10

In Pasadena, California, Kenjon Barner returned the second-half kickoff for a 100-yard touchdown, and Talmadge Jackson returned an interception 32 yards for another score just 13 seconds later.

Jeff Maehl took a short reception 20 yards for the Ducks' third touchdown in less than four minutes during a spectacular opening to the second half of their fifth straight win.

No. 14 Penn State 52, Eastern Illinois 3

In State College, Pennsylvania, Daryll Clark threw for three touchdowns and ran for another in the Nittany Lions' most complete performance for the season against lower-division Eastern Illinois.

Jared Odrick led a menacing defense with two sacks and linebacker Navorro Bowman returned a fumble 91 yards for a touchdown.

No. 15 Oklahoma State 36, Texas A&M 31

In College Station, Texas, Zac Robinson threw two touchdown passes and Oklahoma State overcame the absence of its top two playmakers.

No. 16 Kansas 41, Iowa State 36

In Lawrence, Kansas, Todd Reesing threw for 442 yards and four touchdowns and Kerry Meier set two school receiving records in a game filled with big plays and missed extra points.

No. 18 BYU 59, UNLV 21

In Las Vegas, Harvey Unga ran for three touchdowns and 149 yards and No. 18 BYU beat UNLV.

No. 19 Oklahoma 33, Baylor 7

In Norman, Oklahoma, Heisman Trophy winner Sam Bradford threw for 389 yards and a touchdown in his return from a shoulder injury and Chris Brown had two short scoring runs.

No. 22 Georgia Tech 49, Florida State 44

In Tallahassee, Florida, Josh Nesbitt ran for three touchdowns and threw for another as Georgia Tech handed the reeling Seminoles their third straight loss amid growing pressure for coach Bobby Bowden to retire at the end of the season.

No. 25 South Carolina 28, Kentucky 26

In Columbia, South Carolina, Stephen Garcia threw for three touchdowns and ran for another and South Carolina stopped a potential tying two-point conversion in the fourth quarter, keeping coach Steve Spurrier a perfect 17-0 against the Wildcats.