Three of Arnold's first four starts have come down to making plays in the fourth quarter, which is something he'll need to do against No. 6 Tennessee.

Jackson Arnold ran for two touchdowns and threw for another as No. 15 Oklahoma beat Tulane 34-19. Arnold passed for 169 yards and ran for 97.

Sophomore quarterback Jackson Arnold is in his second season at Oklahoma. The 6-foot-1, 210-pound signal-caller has completed 54-of-86 passing attempts for 484 yards, seven touchdowns and two intercep