According to ESPN's Jim Bowden, if the the Red Sox lose out on Gonzalez, they could turn their attention to Oakland A's closer Andrew Bailey as a consolation prize. The Sox have been connected to Bailey for nearly the entire offseason, and could utilize the young reliever as their closer in 2012. Bailey, a former All-Star saved 24 games last season for Oakland.
In a trade for Gonzalez, the Red Sox would most certainly have to include top prospect Will Middlebrooks as well as other high ranking prospects to acquire such a young and talented pitcher who's under team control for a while. However if they lose out on Gonzalez and turn their attention to Bailey, they could assemble a deal and be able to keep Middlebooks in their farm system. Either way, we should no more sooner rather than later.