Insider Buzz: Unknown Coach Key to Success of Miller, Ware on Broncos' SB50 Run

Denver Broncos defensive coordinator Wade Phillips has received the lion's share of the credit for cultivating the dominant Broncos defense, and rightly so. Yet little-known defensive line coach Bill Kollar has been instrumental as well.

What's Kollar's reputation around the league like? What's been the key to his success?

Watch Bleacher Report NFL Insider Jason Cole discuss Kollar in the video above.