Ryan Day got to prove one of his biggest critics wrong in person. Lou Holtz, the last coach to lead Notre Dame to a national championship, was expected to be in attendance Monday night when Ohio State took on the Irish at Mercedes-Benz Stadium.

Notre Dame coach Lou Holtz took a shot at Ohio State's Ryan Day leading into Monday's CFP championship game. Here more:

Lou Holtz famously called out Ryan Day for OSU's lack of toughness. Day then fired back at the former ND coach, who thinks Irish will win the natty.

The weird beef between the two coaches began last Fall when Holtz predicted an Irish win over the Buckeyes during their

Former Notre Dame coach Lou Holtz and Ohio State coach Ryan Day are still trading barbs before both teams play each other in the College Football Playoff national title game.

Ohio State has embraced their new rivalry with Lou Holtz, and some Buckeyes fans trolled the legendary Notre Dame coach with an awesome sign during the College Football Playoff National Championship game on Monday night.

Lou Holtz may not get to celebrate a Notre Dame title in Atlanta. Notre Dame is down 31-23 to Ohio State in the National Championship Game. The Fighting Irish allowed 31 straight points after opening the contest with a 15-play touchdown drive that lasted nine minutes and 45 minutes.

Brutus Buckeye and Ryan Day fire back at Holtz's controversial comments after the Buckeyes secure the national title.

The Ohio State mascot Brutus trolled Lou Holtz after Ryan Day's Buckeyes won the college football national championship vs. Notre Dame.