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Sue Ogrocki, Associated Press
Houston quarterback Case Keenum (7) is hit by Tulsa defensive end Tyrunn Walker (94) during the first quarter of an NCAA college football game in Tulsa, Okla., Friday, Nov. 25, 2011.

TULSA, Okla. — Case Keenum threw for 457 yards and five touchdowns, Patrick Edwards had 181 yards receiving and four scores and No. 8 Houston earned a spot in the Conference USA championship game by beating Tulsa 48-16 on Friday.

The Cougars (12-0, 8-0) set a school season record by winning their 12th game. The 12 straight wins also match the school's longest winning streak, set over the 1990 and '91 seasons.

Keenum helped Houston pull away by hooking up with Edwards twice for touchdowns after the Cougars faced a fourth down in no man's land. He found Edwards cutting across the field for a 33-yard score on fourth-and-10 in the second quarter, then threw a deep ball to him for a 38-yard TD on fourth-and-1 in the third quarter.

That score came in the midst of 28 unanswered points by the Cougars.