I am not sure if this has been brought up before but a trade involving bringing Butler, George and signing Hayward in free agency is theoretically possible?
I must say that I am sure this is impractical and in essence impossible in the real work, it is fun to think about.
Indiana: Brown, Smart, Zeller, 2018 Brooklyn pick, 2019 Boston pick
Chicage: Crowder, Bradley, 2017 1st pick, 2019 LA Clippers pick
Boston: Butler, George
After the trade sign Hayward in Free Agency and fill the rest of the roster with vets mins and rookies
Horford
George
Hayward
Butler
Thomas