Peyton Manning to Retire After 18 Seasons in NFL - WSJ
Peyton Manning, who helped Denver Broncos win Super Bowl 50
Manning Makes It Official, Retires From Broncos, NFL
Peyton Manning retires: Legacy of the Colts, Broncos' quarterback
Peyton Manning to retire after 18 seasons in NFL
AP source: Peyton Manning to retire after 18 NFL seasons
Buckley: Questions will follow Peyton Manning into retirement
Will Peyton Manning retire with a Super Bowl title?
Denver Broncos Release Statement on Peyton Manning's Retirement