Since the conclusion of Game 4 of the 2012 World Series, it’s been non-stop action in the front offices of MLB franchises.

Teams have been working diligently to improve their clubs for 2013 and beyond through free agency and trades. Thus far, an MVP award winner—Josh Hamilton—and two Cy Young Award winners—R.A. Dickey and Zack Greinke—have switched homes.

Many of the top free agents on the market have been signed, but there are still plenty of impact players remaining—and the mystery team is always in the mix to land a star.

Let’s take a look at the notable additions and subtractions of each team and grade them on how well or poor their offseason has gone so far.

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