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

[*PhilHos*]

(10-25-2019, 04:47 PM)THE PISTONS Wrote:

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

1. Andy Dalton — 81
2. Joe Flacco — 77
3. Cam Newton — 76
4. Ryan Fitzpatrick — 76
5. Eli Manning — 74

— Mark Chichester (@PFF_Chichester) October 25, 2019

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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.