Paulo Costa responds to callout from Bogdan Guskov

Paulo Costa has publicly responded to a callout from Bogdan Guskov, though the specific nature of his response was not detailed in the post. The brief item suggests potential interest or acknowledgment from Costa regarding a possible matchup. Guskov has been actively pursuing high-profile middleweight matchups. No further details about timing or likelihood were provided. This represents ongoing social media exchanges between the two fighters.