Peyton Manning's “Last Rodeo” with Broncos: The interceptions. The injury. The return. The Super Bowl title. – The Denver Post
Brett Favre, Peyton Manning took different paths to greatness – The Denver Post
Brett Favre: I would never bet against Peyton Manning. : r/nfl
A timeline of Peyton Manning's 18-season NFL career
Brett Favre – All-Time Passing Yards Leader
Will Tom Brady or Drew Brees Finish As the NFL's All-Time Passing Touchdown King? - The Ringer
Top 5 Peyton Manning touchdown passes - ESPN
Peyton Manning Breaks NFL Record - Men's Journal
Peyton Manning breaks Brett Favre's all-time passing touchdown record - Mile High Report
Brett Favre: Sportsman of the Year essay on Packers career - Sports Illustrated Vault