Sorry but Joe Montana is still the greatest to ever play this game at quarterback position. It is Unitas and Montana, no one else. Not Manning, not Brady, not Rodgers, and not Brees.
It doesn't matter. I would love to see Manning, Rodgers, Brady, and Brees play in Montana's era without all the roughing the passer and constant pass interference penalties. No one can deny that they all benefit from this to quite some extent. When Joe Cool played, the game was totally different. Look at defenses today and look at them back then. You had the '84 49ers, the '85 Bears, '86 Giants, '87 Redskins, '88/'89 49ers, and the '90 Giants and '90 Bills. Those defenses were absolute monsters. Just watch some of those old Redskins games, they absolutely mauled the WR's, and no flags back then.
As much as I love Drew Brees, I wasn't all that thrilled when he broke Marino's record, cause it just don't mean as much as it did back then. Marino's record was nothing to be proud of back then either, considering the Dolphins had no run game at all while he was airing it out so much. Watch that Super Bowl Marino played in. Everyone was predicting it to be a shoot out between Montana and Marino. Bill Walsh played a Nickel that entire game, just begging Marino to throw it since he put up those godly 5,000+ stats. The Dolphins lost, because Marino wouldn't run the ball. Walsh was going to force him to beat him with the run and he didn't. Everyone calls Brees a stad padder, but so is Manning, and so is Brady, and for your sake, Rodgers likes to run his stats up too when they keep him in the game, because it's some agenda to just not run the ball in this era of video game football. You know who was not a stat padder? Favre....but no one cares about that right?
It's actually funny say Rodgers is not a statpadding machine like Brady and Brees, because Manning is a stat padder too when he's dropping back to continue to throw and run scores up and not run the ball when you're up 20-30 points at the end of the game.
When it's all said and done, Joe Montana is still the greatest quarterback of all time, and you know it. Either Joe Cool or Johnny U. One or the other, no QB today or tomorrow is going to replace them.
Look at Rodgers come from behind wins, and you could make an argument that Brett Favre is better than him. You might be laughing at that, but Favre was one of the best, and all I ever hear about is how he threw games away, even though Manning threw a game winning touchdown in the Super Bowl right to Tracy Porter he gets a pass but Favre is still drug through the mud as this bad bad guy who everyone loved that constantly threw picks.
At this rate, no one is ever going to pass Joe Cool or Johnny U. This is a useless argument.