Conversation so far:
What was Cuban's relation to the Mavericks?
On January 4, 2000, Cuban purchased a majority stake in the NBA's Dallas Mavericks for $285 million from H.
Ross Perot, Jr.
Did that pay off?
The Mavericks' playoff record with Cuban is 49 wins and 57 losses, including their first trip to the NBA Finals in 2006.
Was Cuban heavily involved with decision making about the team?
Cuban sits alongside fans while donning team jerseys.
How else was he involved?
Cuban travels in his private airplane--a Gulfstream V--to attend road games.

Question: Were there any controversies?
Self-contained rewrite: Were there any controversies about Mark Cuban?