This is our roster right now heading into the summer. Assuming Rose is let go in free agency, and Melo is on the trade block,
Hernangomez/Noah/O'Quinn
Porzingis/Thomas
SF/Lee/Kuzminskas
SG/Holiday
PG/Baker/Randle
I see the need for a new starting 3, 2 and 1. We can strengthen our bench by bringing Noah, Thomas and Lee off it. Assuming that we could actually get better starters at 3 and 2 than Thomas/Lee.
So with about $25 million in capspace assuming Rose is not re-signed, then we look to trade Melo. I think the team would need atleast 3 starting level players at 3, 2 and 1. I wouldn't count the lottery pick as a starter. because it could be someone that is not ready to play big minutes right away.
Being positive/optimistic:
We would trade Melo for 1 starter at 3 or 2.
We would draft a starter in the lottery at 1 or 2.
We would use the capspace money to sign one starter at whatever position is of need after the Melo trade and picking our lottery pick.
Likely we put forth another 30 win roster, only with potential if players like KP/Willy/Lottery pick and other new starters show better play we maybe win 8-10 more games and get into the playoff race. Or we don't do better than 30 wins and stay in the lottery another season. Which is fine by me, because we're on the right path so long as we keep drafting well.