Answered February 26th, 2020

Since 1999, Derek Anderson has the lowest passer rating by a Browns quarterback in a season, with a 42.1 rating in 2009.

lowest passer rating in a season by a browns qb since 1999
Interpreted as:
lowest passer rating with a minimum of 7 passing attempts per team game in a season by a browns qb since 1999

See Trending NFL Searches