Even after the signings of free agents John Lackey and Mike Cameron, the Red Sox aren’t satisfied this winter. According to FOX Sports.com, the BoSox are “working hard” to obtain Adrian Gonzalez in a trade with the Padres.

The addition of Lackey will give the Red Sox the flexibility to trade right-hander Clay Buchholz, who likely would be the centerpiece of any package for Gonzalez. Likewise, the addition of Cameron will give them the flexibility to trade outfielder Jacoby Ellsbury.

The Padres would be tempted to move Gonzalez if they could get Buchholz and Ellsbury in the same deal, sources say. However, the Red Sox would be very reluctant to include both, according to another source.

A separate person familiar with Boston’s position said the team is becoming comfortable with the idea of trading Buchholz. But the source expressed doubt that the Red Sox would include outfielder Ryan Westmoreland or pitcher Casey Kelly in the deal; at present, the Padres are trying to obtain one of the two high-level prospects.

This is a deal that may never happen because Boston won’t part with the necessary pieces in order to acquire a big bat like Gonzo. San Diego wants pitching and top-level prospects so that they can compete in a few years. Plus, Gonzo is a fan favorite so they’re not going to trade him without getting a haul in return.

Boston better be ready to part with a couple of key prospects if they want the San Diego slugger.

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