FILE - In this Oct. 28, 2017, file photo, Notre Dame head coach Brian Kelly argues a call during the second half of an NCAA college football game against North Carolina State in South Bend, Ind. There’s little question where No. 2 Clemson has a clear edge on Notre Dame: It’s playoff experience. The undefeated Tigers are in their fourth straight College Football Playoff while the unbeaten Fighting Irish are in the final four for the first time. (AP Photo/Darron Cummings, File)