Three more years for Peyton Manning?

With all the talk about the longevity of a soon-to-be 37-year-old quarterback who has played only for the Patriots, it’s easy to overlook the question of how long a 38-year-old signal-caller will continue to shout “Omaha” in Colorado. Mike Klis of the Denver Post takes a look at the expected duration of Broncos quarterback Peyton…