Brett Favre is THE toughest quarterback ever. He is also the BEST quarterback ever.
My guess would have been Bobby Douglass
Tom Brady easily.
Warren Moon, NFL quarterback between 1984-2000, fumbled 161 times during his career and holds the NFL record.
any sports fan will only tell you the player from their favorite team. just look up stats or watch games there isent really a "toughest" quarterback out of them all and if there was you couldnt really find out unless you had them all fight each other
You can check out all interceptions thrown by an NFL quarterback on espn. You have to check out the quarterback statistics and can look at all of the seasons the quarterback played. You can also compared various quarterbacks together.
The two most commonly named are John Unitas and Joe Montana.
I think it`s Peyton Manning, but the answer to that question changes all the time.
I believe that he is the best of all time just based on his stats he's closing in on almost all of the passing records and he's currently the best QB in the NFL and he's 37 and that's pretty old for an NFL player.
Donovan Mcnabb is famous as he is an all pro nfl quarterback. He is the most successful quarterback in the history of the Philadelphia Eagles.