Owner of the NBA champion Dallas Mavericks says he inquired several months ago about the Dodgers, but lost interest when team owner Frank McCourt valued the club at $1 billion.Mark Cuban, the owner of the NBA champion Dallas Mavericks, said he offered to buy the Dodgers several months ago but declined to enter negotiations when owner Frank McCourt said the price would be in the range of $1 billion to $1.2 billion.