Paulo Costa responds to Bogdan Guskov's callout

Brazilian middleweight Paulo Costa has responded to a callout from Bogdan Guskov. The post does not specify the nature or content of Costa's response. Guskov, a rising contender, has been vocal about wanting high-profile matchups. This interaction suggests a potential future bout between the two fighters. Further details on Costa's exact reply and whether the UFC will book the fight remain unclear.