Joe Flacco has won 60 games in his first 5 years. No other QB in the history of the NFL has accomplished that.
(Disclaimer: That's NOT saying Joe is better than any other/every other QB in the history of the NFL. It's not saying he's "elite". By the same token, it's a legitimate accomplishment, especially when considering the lousy play calling of Cam Cameron and the sketchy supporting cast he's had over that time period.)