I don't see Greg Monroe as much of an upgrade over our other power forwards.
You don't think Monroe is an upgrade over Sullinger? I only watch Monroe play a handful of times a year so I'm curious to what others think. To me, he's a clear upgrade over Sully. He's been on some dysfunctional teams and he's consistently averaged 16/10 on 50% shooting. Sully may be his equal as a rebounder, but he doesn't score nearly as efficiently. He's probably not a huge upgrade over Sully defensively, but he gives us more size (vertically) and that's been a problem for us.
I suppose you could say Monroe is overpaid, but that won't really be the case with the salary cap exploding. Trading for him will prevent us from signing two max guys this summer, but is that realistic any way? Sully is a restricted free agent this summer and that worries me on multiple levels. I have no idea what he's going to command from other teams and there's no way I would want to offer him a big contract. We're going to need a strong rebounding big if Sully leaves, so why not get one now that might help us win a few more games this season.
It's likely that he is a significant downgrade over Sullinger defensively, despite being a few inches taller.
85+% of his shots come from within ten feet of the basket in an era where pounding the ball inside and posting up is a relatively inefficient possession.
The Celtics would probably be better off with someone like Zaza Pachulia than Greg Monroe.
Not getting into advanced stats just shooting from the hip,
my gut feeling is that Monroe thrives if he is placed in Sullys current role. Monroe has never been on a team that is truly a great fit for him. His style of player (lower versatility post based bigs) like Big Al, Kanter, or Okafor really need a specific roster built around them to thrive in todays game. This includes perimeter players who can shoot and who are not constantly getting beat off the dribble and bigs who can space the floor.
In Detriot he had average at best perimeter defenders and a fellow spacing killer in Drumond. Now in Mil he is in a starting lineup that features 3 non 3pt shooters in Carter Williams, Giannis and Parker. Not to mention Carter-Williams is less then stellar staying in front of point guards on defense.
In Boston he would have the benefit off three elite perimeter defenders and IT who despite his size does a good job staying in front of his man. KO, Jerebko and to a less extent Amir can keep a defense spaced out leaving room in the post for Monroe. Statistically Monroe and Sully are very similar per 40 but I feel safer giving a long term money to monroe who has not had health or weight issues and is only 1 year older then Sully.