Chael Sonnen Kamaru Usman 'chasing a ghost of Georges St Pierre,' will retire sooner than later
over 2 years in USA Today
With Kamaru Usman's continued dominance, Chael Sonnen explains how the UFC welterweight champ is in "a very hard spot." Related StoriesChael Sonnen: Kamaru Usman 'chasing a ghost of Georges St-Pierre,' will retire sooner than later - EnclosureDana White: If Kamaru Usman doesn't exist, Colby Covington is UFC welterweight championDana White: If Kamaru Usman doesn't exist, Colby Covington is UFC welterweight champion - Enclosure
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