Peyton Manning to retire after 18 NFL seasons
AP Source: Peyton Manning returning for 18th NFL season
Peyton Manning to retire, Broncos say
Peyton Manning back for 18th season after agreeing to pay cut with Broncos, NFL
Peyton Manning announces retirement at emotional news conference [video]
Peyton Manning's Historic Pace Puts Him on Track for Finest Season of Career, News, Scores, Highlights, Stats, and Rumors
Peyton Manning to retire after 18 NFL seasons, five MVPs, two titles and numerous records
Indianapolis Colts retire Peyton Manning's No. 18
Emotional Peyton Manning announces retirement from the NFL
Peyton Manning to retire after 18 seasons in the NFL – The Mercury
Peyton Manning to Retire After 18 NFL Seasons – The Hollywood Reporter