When IT is not having a 30-35 point effort, he is unable to offset by playing effective defense, he is a defensive liability. That said, he Celtics don't have that players that can pick him up.
This team has some good parts, but we're missing players that can get you 25-30, besides IT. The contenders we compete against have those guy's. We need help, wether we keep IT or not.
We need to come to the realization that Al Horford is a nice player, but a poor rebounder that doesn't block out in the paint. He has other nice traits but rebounding isn't one. He needs help, so he can just be Al Horford and play to his strengths of which are positive.
Hat's off to Amir Johnson, for being an undersized players pounding against the opposing teams giants, and not complaining about it.