I think the Bucks will want an established young player back. Spurs don't have that outside of Wemby.
Fwiw, I met his younger brother Kostas at my church when he was in the league. We chopped it up and he mentioned Dallas/Houston as attractive markets because of the large Nigerian communities.
I get wanting something back, but them lottery picks are valuable. Take Keldon Johnson, that blonde nikka, and the picks