If the Spurs move Murray this week, their timeline would seem to reset around Vassell and the 19 year olds. If this is apparent to the rest of the league, Spurs should get offers for Poeltl, Johnson, and maybe Richardson at the start of free agency. I'm only spitballing, but I'd guess Spurs would be patient and hold a floor of 2 first round grade assets for Poeltl, 2.5 assets for Johnson, and 1 first round grade asset for Richardson. On Richardson, I think bad teams might offer two picks projected in the 30s, but Spurs should be patient. There will be a first round market for Richardson at the deadline.
In my mind, a .5 asset is a second, light protections on a pick, a decent young player, or a tradable contract.
Multiple teams would be interested in Johnson and Poeltl, which could create a compe ive bid.
I'm interested to see if the Spurs seeks more '23 picks in these trades. This will signal how badly they want to select at the top of the '23 draft.