How Many Starting Quarterbacks Do The Broncos Need?

By Jason Keidel
If NFL history has taught us anything, it’s that when you have more than one starting quarterback, you have none at all.
Recall any of the great teams in the Super Bowl era. Almost all of them were set in the single most important position. There is no Steel Curtain Steelers without Terry Bradshaw. No Walsh Niners without Montana. No 1990s Cowboys sans Troy Aikman. And no one doubts the eminence or importance of Tom Brady during New England’s 15-ye