In a possible early preview of a College Football Playoff matchup, the No. 2 Ohio State Buckeyes host the No.7 Oklahoma Sooners on Saturday in Columbus.The two teams are coming off contrasting season openers. Ohio State didn't look particularly sharp in Week 1, needing a late charge to hold off Indiana in Bloomington, 49-21. Oklahoma is coming off a blowout win over UTEP, 56-7.