Boston gets :
Danilo Gallinari
Denvers gets :
Amir Johnson
2016 first round pick from Dallas
2016 first round pick from Boston
2018 first round pick from Memphis
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Boston gets :
Demarcus Cousins
Rajon Rondo
Marco Bellinelli
Sacramento gets :
Isaiah Thomas
Jared Sullinger
David Lee
James Young
Brooklyn 2016 First Round pick
Boston 2018 First Round Pick
EDIT : I could add Brooklyn 2018 First round pick too if needed... I could swap Young for Hunter too.
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PG- Rondo, Smart, Rozier
SG- Bradley, Turner, Hunter
SF- Gallinari, Crowder, Bellinelli
PF- Olynyk, Jerebko, Mickey
C- Cousins, Zeller
You lose IT scoring, but not needed with Gallo/Cousins taking the load.
Rondo is the best passer in the game and he would play with shooters from all over the floor ! It would be a perfect setting for him.
He wouldn't be a defensive downgrade from IT. Overall you doesn't lose defense, but you gain scoring and depth.
And you do something with the picks. We have way too many good players and draft picks. We have to unload them somehow.
You get a controllable core that can contend for 4-5 years together.
The other teams do the deal for obvious reasons. You got to be ready to overpay slightly to get stars.