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Was Mark Cuban an owner of the Dallas Mavericks?
On January 4, 2000, Cuban purchased a majority stake in the NBA's Dallas Mavericks.
Did Mark Cuban make good money on the Dallas Mavericks?
Cuban purchased a majority stake in the NBA's Dallas Mavericks for $285 million.

Question: Was there any controversy around this?
Self-contained rewrite: Was there any controversy around Mark Cuban's ownership of the Dallas Mavericks?