No. 18 Oklahoma stuns No. 6 Oklahoma State, 33–24

Oklahoma closed as a 10.5-point underdog and won outright. No. 18 beat No. 6 in the AP poll.

It was the biggest of 5 upsets in 2013 Week 15, and the 24th-biggest of the 2013 season. Oklahoma pulled off 3 other upsets in 2013.

Other upsets in 2013 Week 15

1. Rice 41, Marshall 24

   11-point underdogRecap
   Upset size11
2. No. 10 Michigan State 34, No. 2 Ohio State 24

   6.5-point underdogNo. 10 beat No. 2Recap
   Upset size10.5
3. Bowling Green 47, No. 16 Northern Illinois 27

   3-point underdogUnranked beat No. 16Recap
   Upset size8
4. No. 7 Stanford 38, No. 11 Arizona State 14

   3-point underdogRecap
   Upset size3

Oklahoma’s other 2013 upsets

1. No. 22 Oklahoma 41, Kansas State 31

   Week 133-point underdogRecap
   Upset size3
2. No. 17 Oklahoma 38, No. 10 Texas Tech 30

   Week 9No. 17 beat No. 10Recap
   Upset size3.5
3. No. 11 Oklahoma 45, No. 3 Alabama 31

   Bowl16-point underdogNo. 11 beat No. 3Recap
   Upset size20

More: Oklahoma upsets · Oklahoma State upsets · all Week 15 upsets · the 2013 season · how upset size works