Undefeated MMA fighter Nurmagomedov breaks down in tears after victory in last fight
Mixed Martial Arts (MMA) champion Khabib Nurmagomedov kneeled down and burst into tears after beating Justin Gaethje in his last fight, declaring his days in the cage had ended as he laid down his gloves to fulfil a promise to his mother. Nurmagomedov, who is the first Musli...