Coaches, teammates, NFL connections salute the Sheriff, share memories of Manning's career
Peyton Manning - Wikipedia
Peyton Manning retirement: Broncos should re-retire the No. 18 - Mile High Report
Tripucka fits well in athletic family
The Broncos unretired the No. 18 jersey for Peyton Manning. Its original wearer was an assistant coach who, after injuries and poor play, stepped in as QB and became the first one
Frank Tripucka, Broncos' Ring of Famer and first quarterback, dies at 85 – The Denver Post
Broncos First QB Frank Tripucka Dies – Tales from the AFL
Ex-Broncos QB wouldn't mind if No. 18 was reissued to Manning, News
The Good, the Great, the Ugly: Denver's Head Coaches, 1960-2022