Lightweight champion Khabib Nurmagomedov retired from the UFC after beating Justin Gaethje in Abu Dhabi.
Russian Nurmagomedov extended his perfect professional record as he retained his title at UFC 254.
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The 32-year-old defeated interim champion Gaethje with second-round triangle choke submission to extend his professional record to 29 wins and no losses as he unified the 155lb title.
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Nurmagomedov said he had honoured the memory of his father, coach and mentor Abdulmanap, who died in July following complications arising from Covid-19.
source: BBC