Oklahoma football: With no margin for error, Landry Jones was at his best

Landry late: A. On the drive that became do or die because of the clock, taking over with 6:18 left down seven, Landry Jones completed 10 of 13 passes for 77 yards. One of his incompletions was a drop. Another was a throw to Sterling Shepard in the end zone that one official ruled a touchdown. Landry simply was pristine. To review, counting the two touchdown drives in the final seven minutes at West Virginia, Landry the last two weeks has completed 19 of 23 passes for 212 yards in drives with no margin for error.

Scheming Chelf: C. The Sooners weren't ready for Clint Chelf's wheels. In the first half, the Cowboy quarterback repeatedly burned OU on quarterback draws and even option plays out of the shotgun. At halftime, he was the game's leading rusher, with 63 yards. But after halftime, Chelf's three draws totaled just 14 yards, and he scrambled for no positive yardage.

Pass protection: A. The Cowboys came in with a hot pass rush. OU ran 74 pass plays and gave up one sack and just two quarterback hurries. With a patched-together line, that's phenomenal blocking.

Red-zone defense: C. The Cowboys penetrated the OU 20-yard line six times. OSU scored on touchdowns on the first five trips and only once faced a third down in the red zone. But the Sooners staged their only stop when it mattered most — in overtime. Chelf threw incomplete on first down from the 13, hit Josh Stewart for a six-yard gain and then threw incomplete across the middle as the Sooners well-covered Blake Jackson. OSU settled for a field goal.