UFC lightweight champion Charles Oliveira doesn't make weight, must vacate title before main event Saturday
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UFC Lightweight Rankings 2021: Khabib Nurmagomedov still the champion, Conor McGregor falls to 6th in Updated rankings after UFC 257 - The SportsRush
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BJ Penn on "unbelievable" UFC lightweight champion Charles Oliveira: "This is the one guy who could beat Khabib" | BJPenn.com
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Conor McGregor challenging lightweight champion Charles Oliveira 'might happen next', says UFC star's training partner | The US Sun
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