Joe Lyberger, a defensive quality control coach for Ohio State, is under investigation for alleged misconduct just weeks after the Buckeyes' national championship victory.

What to know about the Fighting Irish and Buckeyes’ history on the football field before the College Football Playoff title game.

Notre Dame and Ohio State rest somewhere in the middle on roster construction, leaning toward high school recruits.

The Irish, fresh off losing a national title game to the Buckeyes, reportedly hired defensive coordinator Chris Ash on Wednesday. The deal is expected to be finalized shortly.

The winner claims the national championship in the first year of the expanded 12-team College Football Playoff and longest college football season ever. Ohio State is trying for its sixth title, and first since its 2014 team won the inaugural CFP. Notre Dame is going for its 12th title, and first since 1988.

Jesse Temple: Ohio State has been a juggernaut during a three-game winning streak in the Playoff, embarrassing Tennessee and Oregon. Notre Dame has won 13 straight games and put together a fantastic season. But Ohio State’s balance and overall talent should emerge. … Ohio State 24, Notre Dame 14.

Ohio State football was all but counted out in late November. Many fans and pundits believed that Ryan Day’s squad was dead in the water and saw him as nothing more than a lame-duck coach after the team’s disastrous loss to their archrival Michigan.