Peyton Manning - Wikipedia
Manning's legacy: He changed the way the game is played, Sports
Peyton Manning leaves legacy far beyond the field in Indianapolis
Peyton Manning to retire after 18 NFL seasons – Orange County Register
An appreciation: Peyton Manning changed the way we play, and watch, football
How Many Championship Rings Does Peyton Manning Have?
Peyton Manning Eager To Celebrate Super Bowl XLI Anniversary
QB Peyton Manning to announce retirement Monday – Orange County Register
The Misconstrued Legacy of Peyton Manning - The Spax
The influence of Peyton Manning can be seen in how numbers changed since he arrived - NFL - ESPN
NFL news: Around the league in 32 plays
Peyton Manning officially retires from NFL, Sports