Tom Brady has helped elevate the New England Patriots to unprecedented heights, leading the team to four Super Bowls, winning three. (Photo by Kevin Terrell/NFL.com)

Peyton Manning has thrown for 4,000 or more yards in nine of his 11 seasons. (Photo by Ben Liebenberg/NFL.com)

In the 2008 season, Drew Brees came within 16 yards of breaking Dan Marino's single-season passing yardage record, which was set in 1984. (Photo by Jeff Lewis / Sharp Shot)

Donovan McNabb has come tantalizingly close on a number of occasions to bringing Philadelphia that long-desired pro football championship. (Photo by Jeff Lewis / Sharp Shot)

In acquiring Jay Cutler from the Broncos, the Bears are hoping the strong-armed quarterback can be the team's most significant passer since Sid Luckman played for George Halas' Bears teams of the 1940s. (Photo by Jason Miller / Sharp Shot)