First of all, Santana isn't going anywhere. What a STUPID discussion. You guys should feel lucky to get a guy like Dontrelle Willis via a trade for Hughes and sanchez, not Santana. Would you have traded Mariano Rivera 6 years ago for ANYTHING? I doubt it. Santana is MLB's best pitcher. The Twins are inclined to spend more money now (thanks to the refined CBA) and they have a solid young nucleus. You think they're going to sell that all for a pitching staff who is coming off a completely missed season and a young guy like Garza?
second, the Sox have plenty of pitching options that won't require Gabbard or Snyder to come into the picture until pretty late. Tavarez, Hansack, Lester would all get a shot first.
Of course all of this is moot, so I would ask that people go back and remember that it is the YANKEES who are dealing with pitching injuries, not the Sox. If the yankees collapse this season due to injuries make sure to blame the FO's inneptitude and the lacks of the players who DO play, rather than the injuries themselves.