Indianapolis Colts retire Peyton Manning's No. 18
Peyton Manning's No. 18 Retired By Colts; Enters Ring Of Honor
Manning helps Colts survive rash of injuries - The San Diego Union-Tribune
Peyton Manning may simply be protecting his marketability - NBC Sports
Colts Legendary Quarterback Peyton Manning Ironically Ranked #18 on the PFF All-Decade Top 101 - Stampede Blue
Peyton Manning has likely already worked with Andrew Luck's long-term successor in Indianapolis
Peyton Manning to retire after 18 NFL seasons
Peyton Manning wins record 4th AP MVP - The San Diego Union-Tribune
Peyton Manning - Wikipedia
Broncos: Peyton Manning talking with team about contract
Manning-Colts split ushers in a new era
Peyton Manning's Greatest Colts Moments
Report: Indianapolis Colts to cut QB Peyton Manning