Paulo Costa responds to callout from Bogdan Guskov

Paulo Costa has publicly responded to a challenge issued by Bogdan Guskov. The Brazilian middleweight acknowledged Guskov's callout, though the specific nature of his response and whether he accepted or declined the potential matchup was not detailed in the post. This interaction suggests ongoing interest in a potential bout between the two fighters. Guskov has been actively seeking high-profile opponents in the middleweight division. The exchange adds another potential matchup to the middleweight landscape.