Who has the highest single-season quarterback rating in the NFL?

Aaron Rodgers sits atop the single-season QB ratings chart. His rating is 122.5 for his 2011 season with the Packers. Peyton Manning is a close second with 121.1 for his 2004 run with the Colts. He is the only retired QB that appears in the top five.

Asked by Jennifer Sinclair · Last updated 5 years ago · 4.6K views · SOURCE