The Athletic's live coverage this week includes the CFP National Championship and NFL Conference Championship games.

Here's a look at teams that have reached the national championship game in college football without winning their conference championship:

The referee for the AFC Championship is Alex Kemp. The ref in the NFC title game is Clay Martin. Both were promoted to the job of ref in 2018, and both will be serving as the referee in a conference title game for the first time Sunday. With that in mind, let’s take a closer look at each the refs for each game.