Paulo Costa responds to Bogdan Guskov's callout

Brazilian middleweight Paulo Costa has publicly responded to a callout from Bogdan Guskov. The nature and content of Costa's response were not detailed in the source material. This exchange represents the latest development in what appears to be ongoing social media interaction between the two fighters. Both men compete in the UFC's middleweight division, making a potential matchup theoretically feasible. Further details about the specific content of Costa's response or whether this leads to an actual fight booking remain unclear.