The most single-game grades below 70.0 among QBs since 2011:

[Nicomo Cosca]

(10-25-2019, 04:57 PM)PhilHos Wrote: Conversely, as of May 2018, Dalton was 13th in number of games over 100 QB rating among active QBs. And he was 13th in 100+ games in % of games started.

https://www.bloggingtheboys.com/2018/5/29/17401916/ranking-nfl-qbs-by-their-100-passer-rating-games-dak-pescott-aaron-rodgers-tom-brady-carson-wentz

As far as I know, this isn't just from 2011 up, but over the course of their careers.

So he’s either really good or really bad...

Sounds about right. Consistency, and never knowing which Andy would show up (unless it’s playoffs) have always been an issue.