DeJuan Blair confirmed the Pittsburgh Post-Gazette what seemed obvious. After last year's playoff where Blair's minutes virtually vanished, the Spurs have still got him on the trade block. 

"Hopefully, I stay a Spur, but if it doesn't happen, life moves on," Blair said. "They've got me on the trade market and they'll do the best to get me in the greatest situation possible."

via Former Pitt star DeJuan Blair growing up as an NBA player - Pittsburgh Post-Gazette.

Blair was drafted despite injury concerns about his knees and his high work ethic and relentless assault on the offensive glass made him a fan favorite. It was thought he would develop into a monster, another steal for San Antonio.

But while Blair has had no injury issues so far in his career outside of a small surgery two years ago, his defense has never taken a step towards where it needs to be. He has trouble scoring on his own due to his size and San Antonio recognizes that they need height against Oklahoma City and the Lakers

Blair has yet to garner a good enough offer, but if the Spurs reach a point where they really want to make a move, you can bet Blair will be in the talks as part of the deal. The Spurs may also trade him to simply find him a better situation. They've been known to take care of players in that regard.