Ira Winderman: The Boca bond endures between Heat, Erik Spoelstra, Dusty May

MIAMI — Erik Spoelstra has had similar moments before, coaching against a mentor in Stan Van Gundy and against a protege in David Fizdale. But Monday at Kaseya Center was different. No, Dusty May never coached alongside Erik Spoelstra and, yet, as with many coaches in South Florida during Spoelstra’s 19-year tenure as Heat coach, a bond was forged. It…