Baker Mayfield and Oklahoma’s offense taking on Ohio State’s vaunted defense is one of the more interesting matchups this college football Saturday.Threw two games, Ohio State’s defense has yet to allow a touchdown. Granted, those contests came against Bowling Green and Tulsa – but regardless, it’s an impressive stat. But Saturday, the Buckeyes will get a real test. Baker Mayfield’s Oklahoma squad – largely the same one that reached the College Football Playoff a year ago – awaits in Norman.Friday afternoon, ESPN’s David Pollack, Desmond Howard and Sam Ponder discussed the matchup. Check it out: ESPN’s College GameDay, surprisingly, isn’t in Norman this week – instead it’s in Louisville. Either way, expect the show’s analysts to cover the Sooners vs. Buckeyes matchup in great detail.