Coaches, teammates, NFL connections salute the Sheriff, share memories of Manning's career
List of National Football League retired numbers - Wikipedia
Time for Thunder to use retired Sonic numbers
NFL teams should stop retiring jersey numbers - Sports Illustrated
Broncos' Bradley Roby wanted to wear Champ Bailey's No. 24 jersey; John Elway said no - Mile High Report
J.J. Watt can wear retired No. 99, says Marshall Goldberg's daughter
Peyton Manning, American Football Wiki
Peyton Manning - Wikipedia
Peyton Manning, American Football Wiki
Denver Broncos to unveil retired number signage on Sunday - Mile High Report