Deshaun Watson's high variance in QB play

The Athletic’s Aaron Reiss uses TruMedia’s EPA model to calculate a variance score for quarterbacks,

“In fact, the difference between the best and worst versions of Watson is among the widest such gaps of anyone who ranked as a Tier 1 or Tier 2 QB in a 2020 poll of executives and coaches by The Athletic’s Mike Sando.

How do we know that? Based on EPA, … The Athletic averaged Watson’s three worst and three best games by his total EPA on dropbacks from 2017-19, then calculated the difference between those to come up with a ‘variance score.’”

Full article: The Athletic