How this NFL defense disguises pressure (and wrecks offenses)

Welcome back to another episode of How it happened. The Patriots defense has spearheaded the team's rise into Super Bowl contention. It has developed so many different pitches when it comes to a pass-rush plan, and opposing quarterbacks have to be ready for anything and everything. Derrik Klassen digs into how the Patriots defense has found its final form at just the right time.