For years after Brady took the Pats to the SB, all we heard was how Brady was a "system" QB and that it was BB who was the real mastermind. Now, the media is questioning whether Belichick can win without Brady. So I got to thinking. What other GREAT COACHES have won it all with different starting QBs? And if they didn't, are they still considered Great? I was thinking about this and I can't really think of any, except maybe Joe Gibbs (Theismann and Williams) and George Seifert (Montana and Young). I don't remember anyone questioning Gibbs' or Seifert's coaching abilities or saying that it was just the player. So, why, now, all of a sudden, would that be the case for Belichik and Brady?