Given that he's not under contract, the Broncos owe him an extra debt of gratitude for not stirring up any potential rumors that would damage the psyche of their young quarterbacks. This defense, as presently constructed, is still good enough to remain competitive in the AFC West with replacement level play under center. Bringing in someone like Romo could destroy their salary cap and prevent them from spending money to patch up any holes new coach Vance Joseph might see in their dominant front.