FLOYD MAYWEATHER has reiterated that a potential fight with UFC lightweight champion Khabib Nurmagomedov must happen in the boxing ring. After Nurmagomedov defeated rival Conor McGregor at UFC 229 in October, the undefeated Russian called out the five-weight boxing world champion Floyd Mayweather. Mayweather, 41, seemed keen on the bout, but claimed the fight must […]