Although the Cowboys own a 9 - 4 series edge in that time frame , the average victory margin has been just 5.2 points .
Since 1981 , Tulsa and Oklahoma State have met every football season .
Although the Oklahoma State own a 9 - 4 series edge in that time frame , the average victory margin has been just 5.2 points .
Since 1981 , Tulsa and Oklahoma State have met every football season .