Paulo Costa responds to Bogdan Guskov's callout on social media

Brazilian middleweight Paulo Costa has issued a response to Bogdan Guskov's recent challenge. Guskov had publicly called out Costa, seeking a high-profile matchup with the former title challenger. Costa acknowledged the callout through social media, though the specific nature of his response and whether he accepted the challenge remains unclear from the brief post. This exchange represents Guskov's attempt to secure a fight with a ranked opponent to elevate his status. No official bout agreement has been announced yet.