Nurmagomedov defeats Barcelos with explosive KO!
Umar is 16-0 after an emphatic end to his fight against Raoni Barcelos.
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Umar is 16-0 after an emphatic end to his fight against Raoni Barcelos.
Get BT Sport today - contract free
Watch BT Sport's unbeatable line-up of world-class live sport for just £25 a month
