Hmm. Edwin Jackson? Carlos Quentin? Mark Buehrle? Those are all guys who are FA in 2012 (with the exception of Quentin, who is Arb eligible in 2012, and becomes a FA in 2013, but is in a 1 year contract).
This from Ken Rosenthal via MLBTR:
Quentin is hitting .266/.359/.523 with 19 HR in spacious Comisky Park. He has pretty even splits, (.870 OPS vs RHP, .920 OPS vs LHP), so he could be the everyday RF for the Sox.