What the UFC and Khamzat Chimaev want is clear: for his next fight to be a headliner against a ranked opponent. The problem has been finding someone willing to step into the cage with him. Chimaev has called out many top 15 middleweight and welterweight fighters since his 17-second knockout of Gerald Meerschaert last month. On Tuesday, he issued another callout when he responded to a Nate Diaz tweet mocking a potential Conor McGregor vs.
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