Peyton Manning to retire after 18 NFL seasons, five MVPs, two titles and numerous records
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Paige: Broncos can honor No. 18, Frank Tripucka, with a victory – The Denver Post
Peyton Manning - Wikipedia
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Peyton Manning going into Denver Broncos Ring of Fame – The Durango Herald
Woody Paige: Well-traveled Broncos training camp finally found a home in 2003, Denver Broncos
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Peyton Manning To Wear No. 18 With Urging Of Frank Tripucka - Mile High Report
Tripucka had just one request for Manning to wear No. 18 - a Super Bowl win - Mile High Report
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Floyd Little, Broncos Hall of Fame running back, dies at age 78 – Greeley Tribune