Peyton Manning and Broncos in discussions to revise contract: AP source
Sources: Peyton Manning Could Pursue Purchasing Titans After Playing Career
CBS Sports: Peyton Manning picks Broncos - CBS News
AP source: Peyton Manning to retire after 18 NFL seasons
Report: Denver Broncos Tried To Trade Peyton Manning To Houston Texans? - Battle Red Blog
Peyton Manning advising Russell Wilson on transition to Denver Broncos
Peyton Manning chooses Denver Broncos: source
No. 18 back for 18th season: Peyton Manning signs revised contract, to take physical Thursday
Source: Manning to return for 18th NFL season
Peyton Manning spends $5M on second Cherry Hills home
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Peyton Manning signs with the Broncos, Denver, Denver Westword
Peyton Manning, Denver Broncos close to agreement on new contract - ESPN