Boston: Gambles on Porzingis staying healthy. Porzingis+Rob in the front court would be a great pairing.
Lakers: Brogdon is a perfect fit to run with James and Davis coming off a 6th-man of the year role and strong playoffs prior to his injury (expected to be healthy before the season). Can come off the bench and finish games in place of Russell.
Wizards: 1.5 years after receiving picks for taking-on Porzingis, they spin him for two 1sts, a talented 24yo and an expiring contract. Letting the rebuild continue.
This deal would have to be made right after the draft (So Lakers would draft for the Wizards).