With the Mavericks in the thick of the Western Conference playoff chase, this season seemed like a perfect opportunity for head coach Don Nelson, the second-winningest coach in NBA history, to win that elusive first title and ride off into the sunset.
But Nelson decided dusk had already arrived, opting Saturday to resign as coach with 18 games remaining in the regular season.
Will Avery Johnson, Nelson's hand-picked successor, take advantage of his on-the-job training and lead the Mavericks to playoff glory? Will Mark Cuban make a run at a big-name coach in the offseason? And what is Nelson's legacy?