After Tuesday’s practice, Miami Heat coach Erik Spoelstra gave the obligatory answer he offers before the start of every season.



He said the players wish they could get on the court a day early because they are that eager to start the season. The Heat have another day before facing the Memphis Grizzlies Wednesday at AmericanAirlines Arena, but the wait is nearly over. It marks the start of several questions being answered. What will the Jimmy Butler era entail? Is Tyler Herro for real after the strong preseason? Can Bam Adebayo and Justise Winslow take the next step? Will Dion Waiters shape up?



Here’s a look at some pressing questions from readers in the final Heat mailbag before the season kicks off:



If the Heat second unit consists of Goran Dragic, Waiters, Derrick Jones Jr., James Johnson and Meyers Leonard, how does that compare to other teams’ second units? — Carlos C.



I’m not even sure that will be the second...