Peyton Manning to announce retirement Monday - ABC News
Peyton Manning retirement: Quarterback says goodbye to football
Peyton Manning, Biography, College, Statistics, & Facts
Peyton Manning retires from football after 18 NFL seasons – The Denver Post
Peyton Manning retires after 18 seasons
After 18 seasons, Peyton Manning to retire
AP Source: Peyton Manning returning for 18th NFL season
Peyton Manning to retire after 18 NFL seasons, five MVPs, two titles and numerous records
Peyton Manning to retire after 18 NFL seasons – Orange County Register
Colts to construct Peyton Manning statue, retire No. 18 jersey – The Denver Post
Indianapolis Colts to unveil Peyton Manning statue, retire jersey
Peyton Manning to retire after 18 NFL seasons, five MVPs, two titles and numerous records
Peyton Manning to Retire After 18 NFL Seasons - Bloomberg