Tensions are rising as kickoff approaches between visiting Nebraska and No. 3 Oklahoma. The historic rivalry has sparked some current bad blood.

There was a heated pre-game skirmish between the teams:

Nebraska coach Scott Frost was reportedly upset with the officials about their handling of the situation:

Nebraska is a heavy 22-point underdog vs. defending Big 12 champion Oklahoma.

The matchup at Oklahoma is one of five games Nebraska has remaining against current ranked opponents.

Nebraska also has matchups vs. No. 25 Michigan (Oct. 9), vs. No. 9 Ohio State (Nov. 6), at No. 18 Wisconsin (Nov. 20), and vs. No. 5 Iowa (Nov. 26).