Paulo Costa responds to Bogdan Guskov's callout

Brazilian middleweight Paulo Costa has responded to a callout from Bogdan Guskov, according to the brief post. No details were provided about the nature of Costa's response, whether it was positive, dismissive, or somewhere in between. The post confirms that communication between the two fighters has occurred regarding a potential matchup, but lacks specifics on Costa's stance or any next steps. This exchange follows Guskov's earlier expressed interest in facing Costa, though the post does not indicate whether a fight is likely to materialize from this interaction.