Tampa Bay Rays: Is B.J. Upton an Overrated Player?

The team that signs Tampa Bay Rays outfielder B.J. Upton to a long-term deal could be making a career-defining mistake. The proof is in the numbers. Pretend that you are a general manager of a team. You have a lot of money to spend this offseason. You want to make a splash and bring in a potential franchise player who will define your squad for the better part of the remainder of this decade. A player who is ranked as one of the best on the market is available. But over eight seasons this slugge...