Fact is not trading for Santana was a much more egregious error on the part of the Yankees as they needed Santana a lot more than the Sox.
Fact is, if Schilling doesn't get hurt, Buchholz doesn't suck, and Colon doesn't run away and hide, Wakefield doesn't see Game 4.
Ellsbury is a far superior player to Melky, although that doesn't mean much.