The Emirates NBA Cup takes center stage this week, with Wednesday's doubleheader capping the quarterfinal round and setting up Saturday's semifinals in Las Vegas.

The Orlando Magic and New York Knicks have already punched their tickets, and the Oklahoma City Thunder , Phoenix Suns , Los Angeles Lakers and San Antonio Spurs will battle to join them.

Before the NBA Cup's final four teams are set, and before the soon-to-be 26 eliminated teams resume their regular seasons on Thursday and Friday, let's check in on the latest Power Rankings update while also diagnosing the biggest weaknesses facing every team. Who needs to step it up on the defensive end? Who has a glaring hole on offense?

Who simply needs to get healthy? And do the defending champion Thunder have a weakness at al

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