Peyton Manning - Wikipedia
Emotional Peyton Manning announces retirement from the NFL
The Problem Facing Peyton Manning - WSJ
Peyton Manning to retire after 18 NFL seasons
Peyton Manning to retire after 18 NFL seasons, five MVPs, two titles and numerous records
Peyton Manning to retire after 18 NFL seasons, five MVPs, two titles and numerous records
John Elway talks Peyton Manning courtship, four-year run, retirement – The Denver Post
Peyton Manning to retire after 18 seasons in NFL
LA Rams want Peyton Manning if he doesn't retire after Super Bowl 50
Peyton Manning: Former Broncos great enters HOF on first ballot
Denver Broncos: Peyton Manning voted into team's Ring of Fame
Peyton Manning retirement: Broncos should re-retire the No. 18 - Mile High Report
Denver Broncos' Peyton Manning remains passionate, productive approaching 17th NFL season
Peyton Manning looks like he's washed up in Broncos AFC playoff loss to Colts – New York Daily News
Emotional Peyton Manning officially announces retirement after 18 seasons - ESPN