I have to believe that was Chatwoods last chance as a starter here. Maybe a reliever is where he is better suited now. 

He is a free agent following the season and in a playoff race you cannot continue to throw away games in which he starts.  I do put this one on Black for allowing him to remain in the game when it was clear what was going on. 

Just didn't get it last night...to allow him to throw the game away for a very winnable game against a poor starter and a 5 run lead. I assume Black wanted to give him every chance but come on...not in a playoff race.