Jackson Arnold prepared to start for OU if needed: 'He'll be ready'by:George Stoia•11/23/23•GeorgeStoiaRead In AppNov 18, 2023; Provo, Utah, USA; Oklahoma Sooners quarterback Jackson Arnold (10) throws the ball against the Brigham Young Cougars in the fourth quarter at LaVell Edwards Stadium. Mandatory Credit: Rob Gray-USA TODAY SportsOU freshman quarterback Jackson Arnold could make his first career start for the Sooners Friday with Dillon Gabriel's status unknown.