In their QBR rating system.

http://espn.go.com/ncf/qbr

Marcus Mariota had a 158.3 QBR after his first NFL game. 158.3 is perfect. Not so great his second game

The British are coming, the British are coming!

http://www.tigerfan.com/threads/game-manager-harris.118931/

Also, in 2013 Mett had the 17th best season overall of any QB.

The most important stat is 2 & 0.