It might be overkill, but I can see the Twins adding 12 pitchers for the post season. Our bullpen would be that dominant that a 15-inning game will not wear out the pen for the next game. I could be wrong, but the pitching is our strength this post season we need to dominate with it.
Also check out this article on mlbtraderumors.com regarding our pen for the playoffs. The Twins' Bullpen Is In Good Shape For The Postseason - MLB Trade Rumors