Who knows what will happen. Neither team has ever been behind in a series, which won't be the case after Game 1. This, combined with the seemingly even nature of the two clubs, lead most to believe that it will be at least a six game.
In the end, as always, the Cup will come down to execution and desire. We'll see who wants it more, who puts themselves in a position to succeed and then actually makes it happen.
Anyways, you know where we're going with this...
That's right, 5.