So take my Gasol 3-way trade
NY - Gasol
BOS - Chandler, Shumpert
LA - Humphries, Bradley
And then add this 3-way trade
CHI - Green, Gee
BOS - Bennett, Waiters
CLE - Deng, Crawford
Leaves Boston looking like this
PG - Rondo, Pressey
SG - Waiters, Lee, Brooks
SF - Shumpert, Wallace, Bennett
PF - Sullinger, Bass
C - Chandler, Olynyk, Faverani
Boston gets better and gets young talented assets all at the same time, while the other trades all work for the other teams involved.