Karl Roberson said he’s making rapid evolutions to his skillset and believes a different version of himself than what’s ever been seen will show up against Marvin Vettori at UFC on ESPN+ 29. Roberson (9-2 MMA, 4-2 UFC) has only been fighting professionally in MMA for less than five years. He was a kickboxer prior to that, but wanted to transition to the sport where there was most opportunity
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