How happy are the Twins they signed Joe Mauer when they did?

Not that Joe Mauer came cheap. He is paid like a unique superstar which he is.But holy cow, compare Carl Crawford and Jayson Werth's contract and their worth to Mauer... an MVP batting champion home town hero catcher?And if he was on the open market can you imagine the Yankees desperate to make a splash and with a huge hole at catcher and an inviting right field porch doing the bidding?Can you