Mark Cuban accuses Mavericks governor of freezing him out of arena plans

Mark Cuban is accusing Dallas Mavericks governor Patrick Dumont of pushing him aside in business matters connected to a potential relocation of the team from its downtown home, according to a report Wednesday by The Dallas Morning News.

The newspaper reported that Cuban alleges Dumont has engaged in adversarial business practices as the franchise weighs its long-term arena future. The dispute adds a public layer of tension to the Mavericks’ ownership structure less than a year after Cuban sold a controlling stake in the team while remaining a minority owner.

Dumont, a member of the family that purchased majority control of the Mavericks from Cuban, is the team’s NBA governor, the league’s formal designation for its lead ownership representative. Cuban, who bought the Mavericks in 2000 and became one of the NBA’s most visible owners, has continued to be associated with the franchise after the sale.

Arena future becomes focal point

The Mavericks currently play at American Airlines Center, the downtown Dallas arena they share with the NHL’s Dallas Stars. The facility opened in 2001 and has been central to the city’s sports and entertainment district. Discussions about the team’s next arena have taken on greater importance as NBA franchises increasingly pursue mixed-use developments, entertainment districts and new revenue opportunities around their venues.

Cuban has previously spoken publicly about his interest in a future arena project that could be connected to a larger entertainment development. Any move from downtown Dallas would likely require extensive planning, local approvals and negotiations involving land, financing, infrastructure and fan access. The Morning News report did not indicate that a final relocation decision has been made.

The allegations place Cuban and Dumont on opposite sides of a high-stakes business question: who will shape the Mavericks’ next era off the court. While Cuban’s tenure included the franchise’s 2011 NBA championship and a sharp rise in national visibility, Dumont and the new controlling ownership group hold the formal power to guide major business decisions.

The Mavericks have remained one of the league’s most closely watched teams, led on the court by Luka Doncic and Kyrie Irving. Off the court, the club’s arena direction could define its financial and civic footprint for decades. For now, the dispute outlined by The Dallas Morning News suggests that the franchise’s ownership transition is still producing friction behind the scenes.