I doubt the Spurs would cut Anderson because he's not producing. He could save them almost $2 Million if he's stretched, and them needing that space is the only reason I'd think it possible. I think they're okay with what he's done when he's actually on the court, thought I hope they're disappointed. The dude is still the third- or fourth-best defender on the team after Kawhi, Danny and maybe LMA. That and rebounding are probably worth his salary given that he'll only be making a couple hundred k's over the vet min given the new CBA.
Obviously, I've been wrong before, though (okay, well not really -- I've actually never, ever forever-never been wrong about a single thing). They gave up almost as much money to cut LJC, though at least Kyle can do something on the court. I think it's possible for him to be gone, but I sure as don't "expect" it. 2018-2019? That's a legit question. I don't know that next year is.