Murchison then decided to create his own team, with the support of NFL expansion committee chairman, George Halas. Halas decided to put the proposition of a Dallas franchise before the NFL owners, which needed to have unanimous approval in order to pass. The only owner against the proposal was George Preston Marshall, as the Redskins were the only NFL team in the Southern United States at that time, and did not want a professional team in Texas encroaching in their territory, as they saw it. However, Marshall found out that Murchison owned the rights to Washington's fight song, so a deal was finally struck. If Marshall showed his approval of the Dallas franchise, Murchison would return the song. The Cowboys were then founded and began playing in 1960.