I don't get it. Castro is a good defensive catcher, serviceable offensively. Gattis has shown to be a solid backup. I don't see how Lucroy fits. Gurriel moves Valbuena to first and Reed's at first already, so Luc wouldn't play first. You've got a rotation of a whole bunch of guys at DH. If the Astros need anything, it's one more starting pitcher. Fiers is inconsistent, Keuchel is getting back into form, McCullers is young, Fister has been solid, and McHugh has had two excellent second halves the last two years. A top flight starter would go a long way. Gurriel is the mid season bat. Houston was linked to Lucroy over the winter, with Castro and Gattis already on the roster - they view him as a clear upgrade, which of course, he would be. Yes, Houston, and many other teams, would benefit by dealing for a top flight starter, but there are zero of them available right now, depending on your definition. The whole industry is scouting Rich Hill, but he left early again today, this time, a blister exploded on his pitching hand. They're all watching Odorizzi and Moore in Tampa too, and then you've got Ervin Santana and Jeremy Hellickson. That, "guy", just isn't being made available right now - no Greinke, no Price, no Cueto .... Hill, Odorizzi, Hellickson, etc. This is why, whatever you think of his merits, Jimmy Nelson may have real value right now, because he's not on a big contract, he offers team control, and the guys at the head of the class cannot be had.