After Oklahoma turned it over on three straight possessions to start Saturday’s game against South Carolina, legendary Sooners coach Bob Stoops struggled to find words on the radio broadcast. But when OU made a QB change, he fully supported it. Oklahoma opted to bench Michael Hawkins Jr. after two interceptions – including a pick-six – and a fumble that turned into a South Carolina touchdown. That made it a 21-0 deficit with less than 10 minutes to go in the first quarter, and Brent Venables turned to Jackson Arnold and burned his redshirt in the process. CLICK HERE to go to PrizePicks and use…