Plenty was expected to come from the Oklahoma–Tennessee showdown to welcome the Sooners to the SEC on Saturday night. But a quarterback controversy in Norman was not in the cards for many. But after the Sooners struggled for a half with Jackson Arnold under center before showing life under true freshman Michael Hawkins, color commentator Kirk Herbstreit felt like he knew which quarterback was the right pick. And it was the quarterback that managed to lead touchdown drives on Saturday. “This kid’s your quarterback,” Herbstreit said of Hawkins in the dying moments of the game. “This is the quart…