Peyton Manning calling it a career after 18 NFL seasons
Peyton Manning: Payton, Wilson 'not going to be perfect'
Archie Manning looks back on Peyton and Eli's NFL careers - Los Angeles Times
Von Miller on Peyton Manning: 'I don't think he's going to retire' - Los Angeles Times
Emotional Peyton Manning announces retirement from the NFL
Peyton Manning Charles Woodson Heisman title conspiracies - ESPN
KRAVITZ: An open letter to Peyton Manning on his retirement
NFL 100: At No. 7, Peyton Manning, the QB with the gridiron supercomputer in his head - The Athletic
The Broncos' Peyton Manning and the Harsh Realities of Football - The Atlantic
Could the NFL take Peyton Manning's single season yardage record away? - Mile High Report
For Peyton Manning, One Pass, Then Many Steps - The New York Times