Peyton Manning Drops Hint at Retirement
Peyton Manning to retire after 18 NFL seasons, Sports
Peyton Manning to retire, Broncos say
Peyton Manning - Simple English Wikipedia, the free encyclopedia
A timeline of Peyton Manning's 18-season NFL career
Broncos Place Peyton Manning On Reserve/Retired List
Peyton Manning to announce retirement Monday - ABC News
AP source: Peyton Manning to retire after 18 NFL seasons
Fox News - Denver Broncos quarterback Peyton Manning, fresh off winning Super Bowl 50, announces he is retiring after 18 seasons in the NFL.