What would you do with Blalock? If you're going to lose it, then don't do this trade. You're not upgrading that much with Huff In my opinion.
Lidge is one of the best closer, he was really cold recently but It seems like he's back on track now, plus he have all the confidence from his coach.
Medlen as not prove anything yet, he got one good start and that's it. If he get 2 bad start, back a back in his next starts, he's going to be replace by Hanson while Lilly is a solid starter who prove his value over the years.