Oklahoma made waves this week when it benched starting quarterback Jackson Arnold against Tennessee and coach Brent Venables came out pretty brutally honest about the reason why. Simply put, Arnold was missing some simple reads and checks within the offense that must be made. It was putting the Sooners behind the 8-ball before plays started and had a chance to develop. CLICK HERE to go to PrizePicks and use code ON3 to receive a guaranteed $50 once you play $5 in lineups! A couple of ESPN insiders chimed in on the benching, as well as Venables’ handling of it. “I’m always appreciative of insig…