"In 2017 I was asked, I was interviewed after the fight, what is the secret of my stamina. And I said: "You want good cardio, get yourself Merab." That was true and remains true. The guy is a real tank. I really believe he has a third lung," MMAJunkie quoted Sterling as saying.
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Sterling on Nurmagomedov: 'Rises on the merits of a relative'