The elephant in the room is IT's injury... nothing else. Stars signed here to play with IT and for CBS. We know that IT wants security, so I would give it to him. I would sign him to a two-year max extension with the second year being a team option, as opposed to the player option that LeBron and KD signed.
That should be possible based on this clause for extending veteran contracts below:
Veteran contracts of less than four years cannot be extended. However, longer deals can be extended if a player is on a four-, five-, or six-year deal, it can be extended three years after it was signed.
Extend him and let him rehab/surgery for the year and reevaluate next summer. Keep our BK pick and IT get his security.
Crowder still is a logjam, but i believe his worth and contract make him easily movable for a decent front court piece with potential... so I would do Crowder for Alex Len in a heartbeat