UM, yes; or I wouldn't have typed it.
At the time he signed he was one of the second generation, big money Cuban free agents. His agent is now Scott Boras. Boras counsels players in Morales' position about the importance of their contract year so he can get them big money on the market. Regardless of whom he plays for I would expect Morales to have a big year in 2013.
There are many articles available that discuss this myth and the majority of them all come to the conclusion that is not real.