The main areas of weakness on offense are the Ohio State O-line’s ability to handle extra rushers, ranking 78th with a 9.2% blitz down sack rate, and a somewhat elevated 10.2% blown run block rate that checks in at 94th nationally.

The semifinals of the first-ever 12-team College Football Playoff continue on Friday with a marquee showdown in the Cotton Bowl between (5) Texas and (8) Ohio State. The winner of this game will face either (6) Penn State) or (7) Notre Dame in the national title game on Jan.

Here's what to know about the series history between Ohio State and Texas -- including all-time meetings and record -- ahead of Friday's CFP semifinal game: