ESPN's first 30 for 30 documentary on professional wrestling was a no-brainer. Rick Flair has always been one of the most polarizing figures both in and out of the ring. His life story if the subject of the documentary "Nature Boy", which debuts tonight at 8 p.m. on ESPN. Rory Karpf, who directed "Nature Boy", joined me yesterday on Sportstalk to discuss the film and his unique relationship with Flair.

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