Decent enough big. Wouldn't want to rely on him at C, but as a long PF I think he could help.
Honestly at this point you can't really downgrade from Baby, between his rebounding, shot selection, and recent lack of energy, he just sucks and is the worst fit for our team. If nothing else Yi would be a much better shooter and probably a better passer.
Even Harangody would've been an improvement over Baby. Much better rebounding, better scoring, much better energy/hustle, better shooting, and he wouldn't have taken ANY stupid shots.