Now, Williams is taking his obsession to the next level…

Now, Williams is taking his obsession to the next level, partnering to develop a new gym in Deep Ellum named Fortis MMA. It’s not simply an investment to watch others work out, grapple or punch. Williams would like to compete when his NBA career is over. “I think it would be realistic,” he said. My coach “wants me to fight [in the cage]. I don’t know about that. I will do some jiu-jitsu grappling tournaments.”

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Mavericks point guard Deron Williams is obsessed with mixed martial arts. "I don't miss fights," he said. "Every UFC fight, Fight Pass, if I miss them, I'll record them and watch them later."
Marc Stein: Deron Williams has joined Mavericks teammates Dirk Nowitzki and Chandler Parsons in notifying Dallas that he's opting for free agency July 1
Leaning back to have bags of ice wrapped around both knees after a recent morning shootaround, Williams reluctantly reflected on a place he couldn't wait to escape – even if it meant leaving millions on the table. "It took a lot out of me, man, those three years. Some of the hardest in my life," Williams told Yahoo Sports of his time in Brooklyn. "Made me question if I even wanted to play basketball when I was done with that contract."
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August 9, 2022 | 6:25 pm EDT Update
According to Shams Charania of The Athletic, the meeting took place this past Saturday, and Kevin Durant indicated that he could stay with Brooklyn if general manager Sean Marks and coach Steve Nash were no longer there. Understandably, peers of Marks and Nash were not happy. “I get that players have more power these days, but I think it’s a little too far if he’s out here trying to get Steve fired,” said one coach, who was quickly reminded of Magic Johnson’s fingerprints on Paul Westhead’s firing back in November of 1981 and other power plays, some of which may well have been justified.
The head of basketball ops from another club was similarly displeased. “Livid,” he said. “Livid. He and Kyrie (Irving) basically told Sean they were coming (as free agents in 2019), and Sean did pretty much everything they wanted after that. Signing DeAndre Jordan for four years? That’s something Kyrie and KD wanted. Getting James Harden? Then getting a guy who should be a perfect complement to them (Ben Simmons) when Harden wanted out? Sean did all that.”
However, when asked if he would welcome Durant to his own club should he be attainable at a fair price, the exec paused and laughed. “Well … ” he said. “OK, you got me there. But, see, that’s the part of this that will always be hard for some people to grasp. I’m talking about the fans who just see the players as employees. These guys are not interchangeable parts. You can’t just plug in someone else to do what KD does.”