In nearly all the pregame comments it was mentioned how crucial it would be for the patriots to contain the play of Clay Matthews. To be honest, I didn't see a whole lot from him during the entire game. So, was this the merit of Sebastian Vollmer, or more or less a combined effort?

Vollmer is really an unsung hero from that game. In listening to BB on WEEI yesterday he made it clear that Vollmer was responsible for Mathews and that while he did have help from time to time that was his assignment for the game and he pretty much shut Mathews down and out. Bellichick went out of his way to compliment him on that.