Since the NFL has been around just 9 Quarterbacks in history have ever thrown for over 5,000 yards in a single season. Today we go over how each of those nine quarterbacks achieved that feat and how their seasons ended up. Some of these QBs led their teams to great seasons, while others didn't even make the playoffs and have the chance to win a super bowl. But they all had one thing in common, that they had great individual passing seasons.