Broncos pitch for Peyton buoyed by $27 million cap carryover

So how have the Broncos and V.P. of football operations John Elway gotten themselves in position to have more than $40 million in cap space that can be used to sign Peyton Manning and a few of his former Colts teammates? The Broncos had a whopping $27 million in leftover 2011 cap space, all of…