After getting shut out by their in-state rivals, Oklahoma State relinquished its bid in the Bowl Championship Series.

DeMarco Murray ran for two touchdowns, Ryan Broyles returned a punt 88 yards for a score and Oklahoma knocked No. 11 Oklahoma State out of contention for its first BCS appearance with a 27-0 win Saturday.

With representatives of the Fiesta and Orange bowls watching, the Cowboys (9-3, 6-2 Big 12) fell completely flat with their worst offensive performance of the decade. Oklahoma State was shut out for the first time since 2005 by an Oklahoma defense coming off its worst outing of the year, a 41-13 loss at Texas Tech last week.

Oklahoma State quarterback Zac Robinson threw for only 44 yards on 9-for-21 passing after missing last week’s game with injuries to his head and shoulder. He was pulled in the fourth quarter with his lowest passing total since taking over as the starting quarterback early in the 2007 season.

Oklahoma State didn’t have a single first down in the second half and finished with only 109 yards of total offense.

Neither team — or the referees, for that matter — gave the fans much to cheer for early on as the game was marred by fumbles and constant replay reviews, including one that required a second look for officials to get the down and distance correct. But while the Sooners made up for their early mistakes, OSU never got anything going.

Considering the injuries they’ve dealt with all season, this is a huge win for the Sooners. The victory is also Oklahoma’s seventh straight in the Bedlam rivalry and its 30th consecutive at home.