Rory McIlroy's sports psychologist explains Bryson DeChambeau silent treatment during Masters final round

When it's in between the lines — or with golf, inside the ropes — it's all business for Rory McIlroy.

That memo apparently did not get to Bryson DeChambeau ahead of the final round of the Masters. 

The two were paired together again in a major, just like last year's U.S. Open, which DeChambeau snatched from McIlroy in the late holes. McIlroy even joked over the winter that he wanted to "get back" at DeChambeau for "what he did to me" at Pinehurst. 

DeChambeau cracked, "To be fair, you kind of did it to yourself."

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