Lakers:
Trent Jr gives the Lakers a young scoring option to help the team compete now and smooth the post-LeBron transition
Doug McDermott provides much needed 3 point shooting off the bench
Raptors:
Poeltl fills the empty center position to help anchor the defense
Richardson gives the Raptors a reliable scorer off the bench at the thin guard position
Spurs:
Gain a young point guard in Flynn
Add valuable future Lakers FRP and a couple of second round picks