Editor’s Note: From here until Dec. 21, the day before the NBA season begins, we’ll reveal 2 group sneak peeks from The Athletic’s John Hollinger, who will be analyzing groups entering into this season on a variety of elements.

Latest thing on in 2015

44-29, 5th in Eastern Conference, lost 4-2 to Lakers in NBA Finals

7thin Offensive Efficiency (112.5 )

11thin Protective Effectiveness (109.5 )

Didn’t see that one coming. A slightly unexpected group in the regular season turned into a massive one in the playoffs, as the Heat knocked out Milwaukee with shocking ease in the second round, fell Boston in the conference finals and, in spite of several key injuries, put up a reputable performance in the Finals versus the mighty Lakers.

The arrival of Jimmy Butler assisted bring the offense during the routine season, as his constant parade to the free-throw line reinforced what was otherwise a 3-point delighted attack. Butler hardly …