NBA superteam rankings – Warriors, Rockets, Celtics and teams with the most star power

7:03 AM ET Andre SnellingsESPN These days, only superteams need apply as NBA championship contenders. But what defines a superteam? Last year, Tom Haberstroh categorized superteams as having at least two established current stars as measured by All-NBA and All-Star nods. Here, I expand that definition to also include on-court impact, particularly real plus-minus (RPM) […]