First off, if the FO is so thin-skinned that they would make moves to placate the fans to avoid being the object of criticism, they should all be fired. Their job is to improve the team. If they can"t do that and take the heat that comes along with it, they need to get out of our kitchen.
As for getting a closer and keeping Bard as the 8th inning guy, other than KRod, I don't see any possibilities that I like, and KRod's price tag will probably be very high. I don't like Bell. He's 34 and he will want 3 years. I'd rather have given 4 yrs to Paps. The best thing the Sox can do to help their bullpen is to bolster the starting rotation. If they don't and fatso Jenks cannot play a significant role, the bullpen will be a shambles by the end of June.