Kelvin Gastelum will once again step in as a main event replacement. With Paulo Costa out of his upcoming middleweight UFC Fight Night headliner with Jared Cannonier (13-5 MMA, 6-5 UFC) on Aug. 21, Gastelum (16-7 MMA, 11-7 UFC) has agreed to step in and take the five-round fight. MMA Junkie verified the switch with a person close to the situation following an initial report from ESPN.com . The person requested anonymity because the UFC has yet to make an official announcement.
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Paulo Costa out, Kelvin Gastelum steps in vs. Jared Cannonier in UFC main event – MMA Junkie