The fan said he didn't believe he broke any rules and was voicing his opinion before Cuban stood up and yelled at him to sit down.

Nowitzki, the most beloved player in Mavericks franchise history, traveled to Los Angeles to see Dončić make his debut.

The Dallas Mavericks trade of Luka Dončić to the Los Angeles Lakers led to numerous tense interactions with fans on Monday.

Mark Cuban, Kevin Bacon, Pedro Pascal, Taylor Tomlinson and Conan O'Brien will all have featured sessions at SXSW 2025. Read the announcement here.