Troy Renck of the Denver Post reports that the Astros "still want significant pieces back" in exchange for Wandy Rodriguez. The Rockies have claimed Rodriguez off waivers from the Astros and are hoping to work out a deal for the left-hander. Given Rodriguez's contract, it likely won't take a major package, but the Astros aren't just going to give him away, either. Renck mentions Christian Friedrich, Wilin Rosario and Hector Gomez as possible pieces that could go to Houston.