‘Back to the Call’: Former official Ronnie Nunn on this week’s borderline calls

Welcome to the first Episode of “Back to the Call,” where we look at strange, out of the ordinary, or even bad calls by the referees in the NBA. Former NBA Director of Officials Ronnie Nunn gives you his expert opinion on what the referees are seeing and thinking.

We spotlight the new delay of game rule, illegal out of bounds positioning, a crucial backcourt violation and different versions of offensive foul calls.

Diving into the fundamentals of refereeing is something you rarely see anywhere, and this show will shine a light into this field. The next time you see a call you don’t like, you’ll have a better understanding of why it was made.

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• Q&A with NBA deputy commish Adam Silver on debut of SportVu

• Watch Atlanta’s bizarre “Blurred Lines” code of contact video

• The secret to Philly’s surprising success

• Flannery: Boston needed Russell’s statue

• Longform: How the Pistons became a team apart from Detroit