NFL Defensive Player of the Year Khalil Mack on why he's dissatisfied with his first three years in the league, on attending Von Miller's pass-rush summit in June, and on the mind games he has to use to joust with opposing blockers.

Rookie Denver had coach Vance Joseph on the vast difference (in life and in football) with being a head coach versus an assistant, on how he figures out how to motivate and address his team, and on what makes Von Miller tick.