Five of these performances were in a losing cause, though Chad Pennington is the only quarterback to play from start to finish and earn both a loss and a perfect rating. Twelve quarterbacks have had a game where they earned a perfect 158.3 passer rating and also a game where they earned a 0.0, the lowest possible passer rating, during their careers: Otto Graham, Johnny Unitas, Joe Namath, Terry Bradshaw, Len Dawson, Bob Griese, James Harris, Bob Lee, Craig Morton, Dan Fouts, Eli Manning, and Peyton Manning.