If you make the Bulls game a "normal" blowout, say 30 points, and get rid of the extra 26 points, the Celtics still have the 3rd best net rating in the NBA, by about half a point. Of course, then you have to adjust the 4th place Nuggets' 45 point win against Atlanta, and so on. This is a very good team that can get better (mainly by shortening rotations). They definitely have chemistry issues though, and also effort issues against mediocre/bad opponents. If they locked in against bad teams the way Milwaukee does, they'd probably be 2nd in the East, with about a +8 net rating.