Broncos QB Peyton Manning to retire after 18 NFL seasons
Super Bowl: Worst winning performances by a QB in last 20 years - Sports Illustrated
The 10 Worst Super Bowl Quarterbacks to Ever Lift the Lombardi
Peyton Manning had the worst season of any Super Bowl-winning QB
Peyton Manning is great, but not in this Super Bowl
2006 Patriots slaying elevated Peyton Manning – Boston Herald
Tale of quarterbacks Peyton Manning, Cam Newton focal point of Super Bowl 50
Peyton Manning's worst game was a record-breaking nightmare that cost the Texans millions
Broncos, Peyton Manning struggle in Super Bowl blowout by Seahawks – The Denver Post
Super Bowl 50, Denver Broncos Peyton Manning
Super Bowl 50: Peyton Manning will not rush decision on future, NFL News
Peyton Manning set the NFL's all-time passing record while having the worst game of his life
Peyton Manning to announce his retirement Monday
Denver Broncos: A look back at Peyton Manning's 2015 season - Sports Illustrated
If this is it, Peyton Manning went out a winner - The Boston Globe