This is good news. At least we are guaranteed to either draft, trade for, or sign big man this offseason. Because if not we will be way too small in the frontcourt when Blair leaves. Unless of course it's Popovich's plan to use Aaron Baynes in Blair's place for the next few years. That would explain the Spurs signing him to his multi-year contract.
Mark my words, Aaron Baynes is going to eventually become a regular part of the rotation if Blair walks at the end of the season