[rustybelt]

It’s famously administered to all nfl quarterbacks. Tom Brady got a 33.

[BooneJS]

All NFL players, not just quarterbacks, right?

[jdwithit]

Yes, all positions, there's a little more info about it in the linked Wikipedia article.

Apparently Frank Gore had one of the all time lowest scores with a 6. He is a borderline Hall of Fame caliber running back.