Paulo Costa responds to callout from Bogdan Guskov

Paulo Costa has responded to a callout from Bogdan Guskov, though the details of Costa's response are not specified in the original post. The brief announcement suggests there is interaction between the two middleweights, potentially setting up interest in a future matchup. No additional context or details about the nature of Costa's reply were provided. This follows recent social media exchanges between fighters in the division. The outcome of this back-and-forth remains to be seen.