You can have 1 of the greatest quarterbacks to ever play the game and not win a Super Bowl if you don't have a great team behind them, or at least a team that catches fire in the playoffs and wins a Super Bowl. It really isn't the quarterback. Sure they help, but bad quarterbacks can win a Super Bowl with a good team. Nobody is ever going to say Nick Foles, or Trent Dilfer was the caliber quarterback that Dan Marino was but, the latter 2 have Super Bowls and Dan Marino does not. Romo, and Prescott are certainly quarterbacks that can win a Super Bowl. I'd say both could win a Super Bowl with a team good not great. I don't say that about Troy Aikman. I think Troy was very limited, but with a great team around him excelled as a piece. I think if you put Romo, and Prescott on those teams they would have won super Bowls as well.