The Adelson family has had advanced consultations about buying a significant share of the Dallas Mavericks, sources told ESPN. Mark Cuban would remain governor of the franchise and in control of all basketball decisions, according to sources. The agreement would be in the valuation range of $3.5 billion and take weeks for the league to process, The Associated Press reported, citing a person with knowledge of the talks. According to an SEC filing, the Adelson family is selling almost $2 billion in stock in the Las Vegas Sands Corp., “to fund the purchase of a majority interest in a professional sports […]