I'm not worried about Clingan/Wemby, because I don't think it's all that important to never play Victor at PF. He doesn't have to ALWAYS be at his most free offensively. Giving him a variety of high-quality teammates would be great for his development. Ultimately, Wemby developing is the thing that matters, not whether the team they put around him this year works from a contending standpoint. Plus drafting Don would increase the likelihood of Collins being dealt, which is basically a universal good in terms of them bringing in a player who fits better for that salary space. I also second SR21's stance that Clingan/Dillingham would sit well with me, as would a number of other scenarios.
I'm more concerned about Clingan's and Sochan's fit. As the 20-25 MPG talk suggested, Wemby would be taking a lot of the backup PF minutes if the Spurs drafted Clingan. That means that Jeremy and Donovan would be likely to spend a lot of time together. Unless Sochan has completely revamped his shot or Clingan's touch beyond the arc is real, that seems hard to work.
Jones, Wesley/Branham/Champangie, Johnson, Sochan, Clingan feels like a questionable unit. It could be good defensively if Wesley develops or Champ settles in. But offensively, it's sort of dead