AUSTIN, Texas (AP) — Whew!

Top-ranked Texas was put to its toughest test yet and came through unbeaten.

Looking more vulnerable than any other time this season, the Longhorns needed a big defensive stand in the fourth quarter to overcome a pair of late mistakes by Colt McCoy and hang on for a tough 28-24 win over No. 7 Oklahoma State.

Their reward is another week at No. 1 and yet another huge Big 12 South division game next weekend at No. 8 Texas Tech.

McCoy, who passed for 391 yards and two touchdowns, threw a rare interception that set up a field goal as Oklahoma State pulled within 28-24, then fumbled on the Cowboys’ 10 with just over five minutes left when Texas (8-0, 4-0 Big 12) could have put the game away.

But the defense, pushed around by Oklahoma State’s punishing rushing attack and big tight end Brandon Pettigrew all day, made a huge stand. The Longhorns stopped the Cowboys (7-1, 3-1) on fourth down at their own 30. Texas drove the ball to the Oklahoma State 1 before turning the ball over on downs with 33 seconds left.

No. 4 Oklahoma 58, Kansas State 35

MANHATTAN, Kan. (AP) — DeMarco Murray racked up 167 total yards and four touchdowns, and No. 4 Oklahoma sustained a 21-point Kansas State rally in the highest-scoring first half in school history.

Sam Bradford added three touchdown passes in a wild first half in which the Sooners (7-1, 4-1 Big 12) give up a 28-7 lead before taking control with 27 consecutive points of their own.

Josh Freeman threw for a career-high 478 yards for K-State, with all three of his touchdown passes coming as the Wildcats charged back to tie it at 28.

No. 5 Florida 63, Kentucky 5

GAINESVILLE, Fla. (AP) — Tim Tebow threw two touchdown passes and ran for two scores to help the Gators extend their winning streak in the series to 22 games.

The Gators showed no signs of sluggishness coming off a bye and didn’t have a letdown following a 51-21 drubbing of defending national champion LSU two weeks ago.

Now, they can focus on the game they’ve been looking forward to for a year: Georgia, a hated rival that stomped its way to a victory last season that essentially knocked Florida (6-1, 4-1 SEC) out of the Southeastern Conference race.

No. 8 Texas Tech 63, No. 19 Kansas 21

LAWRENCE, Kan. (AP) — Graham Harrell passed for 386 yards and five touchdowns and No. 8 Texas Tech scored on eight of its first nine possessions.

Harrell, the nation’s leader in yards passing, also scored on a 1-yard run for the Red Raiders (8-0, 4-0 Big 12), who have matched their best start in 32 years. Altogether, Texas Tech rolled up 556 total yards against an outmanned Kansas defense to kick off a brutal four-week stretch that’ll include No. 1 Texas, No. 7 Oklahoma State and No. 4 Oklahoma.

Darcel McBath intercepted three of Todd Reesing’s first four passes of the third quarter to snuff out any hopes the Jayhawks had of closing the gap.

No. 9 Georgia 52, No. 11 LSU 38

BATON ROUGE, La. (AP) — Knowshon Moreno quieted one of the loudest crowds in college football, running for a 68-yard score and finishing with 163 yards rushing.

Georgia linebacker Darryl Gamble returned a pair of interceptions for touchdowns of 37 and 53 yards.

While Moreno powered the Bulldogs (7-1, 4-1 SEC), Charles Scott gained 144 yards and scored two touchdowns for LSU (5-2, 3-2).

Louisville 24, No. 14 South Florida 20

LOUISVILLE, Ky. (AP) — Hunter Cantwell threw a 24-yard touchdown pass to Scott Long with 7:07 left to play to help Louisville upset penalty-plagued South Florida.

The 14th-ranked Bulls committed 14 penalties for 109 yards, including a defensive holding on a missed field goal by Louisville that would have given USF (6-2, 1-2 Big East) the ball back late in the fourth quarter.

South Florida’s Matt Grothe threw for 344 yards and two touchdowns, but he also was picked off twice. His fourth-quarter interception gave the Cardinals the ball at USF 27 and allowed the Cardinals (5-2, 1-1) to run out the clock.

Rutgers 54, No. 17 Pittsburgh 34

PITTSBURGH (AP) — Mike Teel, booed at times by his own fans this season, threw five of his school-record six touchdown passes in the first half and Rutgers came out throwing to confound No. 17 Pittsburgh’s previously reliable defense.

Teel, a senior who had only three touchdown passes in seven games, found Kenny Britt on scoring plays of 79, 7 and 26 yards and Tim Brown for 60 and 36 yards — all against what was the Big East’s top-ranked and nation’s 10th-rated pass defense.

The 36-yarder to Brown made it 41-31 and came one play after Aaron Berry’s fumbled punt midway through the third quarter, not long after LeSean McCoy’s fourth touchdown run got Pittsburgh (5-2, 2-1 in Big East) to within 34-31.

No. 18 BYU 42, UNLV 35

PROVO, Utah (AP) — Max Hall threw for four touchdowns and the Cougars avoided a second straight loss.

Austin Collie had his sixth straight 100-yard receiving game for the Cougars (7-1, 3-1 Mountain West), who were matched nearly score-for-score by the Rebels until the final drive. BYU’s Andrew Rich intercepted Omar Clayton’s pass in the end zone on the final play to seal BYU’s 17th straight win at home.