Karen Walker, her husband, Josh, and their 7-yearold son, Cannon, arrived at Gaylord Family Oklahoma Memorial Stadium ready to celebrate on Saturday. It had been 151 days since Lincoln Riley shocked Oklahoma football fans by announcing he was leaving for USC.
Karen marked the occasion by wearing an “IT AIN’T GOOD ENOUGH” shirt, an homage to new Sooners coach Brent Venables, who returned to the…