Just looking at the salary structure of the 76ers for the 2019-20 season, I'd guess that Patty Mills will be traded there during next offseason. He'll get playing time in that system, Brett Brown being the guy who brought Patty to the Spurs attention in the first place. With Cabborott, Anderson, and Bayless leaving this offseason, McConnell and Red come off their boks next year, Patty will fill a need for them to play with Shamet, Zaire Smith and Korkmaz off the bench. Plus the Sixers will have the cap room to take him and 2 2020 second round picks, and 3 2021 second round picks to mix and match in exchange.
Who is the most likely person the Spurs will be targeting next offseason with potentially 24+ million in cap space? Jimmy Butler? Who else? Klay Thompson isn't coming to SA, not resigning KL, and Timberwolves are going to match any amount of money or structure on a Karl Anthony Towns restricted free agent contract. Is Jimmy Butler the only high profile free agent left at that point?