It’s Oklahoma’s Mayfield vs. Ohio St’s Barrett in QB battle

NORMAN, Okla. — A quarterback matchup the likes of Saturday’s showdown between Oklahoma’s Baker Mayfield and Ohio State’s J.T. Barrett is rare, especially in the regular season. Barrett finished fifth in the Heisman Trophy balloting in 2014, Mayfield finished fourth last year, and both are in the discussion this year. The most recent matchup between