Miami Heat coach Erik Spoelstra is in the middle of what has been arguably the busiest offseason of his career — at least since 2010, the summer he teamed with LeBron James and Chris Bosh.



So much has changed since April, when the Heat ended the season as playoff spectators. Gone is Dwyane Wade, who retired after 16 seasons. Gone is top assistant Juwan Howard, who accepted the head coaching job at Michigan. Also gone are Hassan Whiteside and Josh Richardson, who were unexpectedly traded in July.



The Heat could have as many as four new rotation players this season. That’s not to mention that Spoelstra and his wife, Nikki, announced last month they are expecting their second child.



Even with so much change, Spoelstra experienced at least some familiarity Friday.



He was among the South Floridians scrambling for supplies in preparation for Hurricane Dorian, which is expected to make landfall as early as Monday or Tuesday. That experience is...