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Come Fan with UsSaturday, June 20, 2026

Mark Cuban wants better defense from Dirk

Mavs owner Mark Cuban challenged Dirk Nowitzki to play with more energy and effort on defense before Monday’s game.

Kevin Jairaj-USA TODAY Sports

Dallas Mavericks owner Mark Cuban said that his team needs more from star forward Dirk Nowitzki when it comes to the defensive end of the floor, via ESPN's Tim McMahon:

"I think we've got to get a little bit more out of Dirk defensively," Cuban said before Monday night's game against the Boston Celtics, responding to a general question about the Mavs' recent performance. "I think [the Mavs need] a little bit more energy out of Dirk, particularly when things don't start well."

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Cuban said he mentioned his concerns to Nowitzki during a brief, sarcastic conversation Monday, asking the 16-year veteran how his nap was while he was on the floor against the Thunder.

"Dirk always goes through a little slump during the year when he needs to re-motivate," Cuban said. "I think we've seen that for a couple of games, and I think he's going to come back stronger, particularly after three days [off] and those naps he's gotten in the last couple of games other than Utah."

You almost never hear this sort of thing from Cuban, who has a great relationship with Nowitzki and has said the big man will be a Maverick as long as he wants to be. He joked that he’s allowed to call Nowitzki out once every 10 years, according to McMahon.

While it's a fair statement to make -- Nowitzki's never been a stopper, but he's capable of playing smart team defense and using his length -- Dallas has been doing just fine lately regardless. The Mavs have won five of their last six games after defeating the Boston Celtics 94-89 on Monday. They've also beaten the Portland Trail Blazers, Indiana Pacers and Oklahoma City Thunder recently. They're seventh in the West, with a one-game cushion on the eighth-place Memphis Grizzlies and a 2.5-game lead over the ninth-place Phoenix Suns.

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