Paulo Costa Responds to Bogdan Guskov's Challenge

Brazilian middleweight Paulo Costa has responded to a callout from Bogdan Guskov, though the specific nature of his response is not detailed in the brief post. Guskov, a rising contender, had recently declined a fight with another opponent and appears to be seeking a high-profile matchup with the former title challenger Costa. Costa has been active on social media and selective about his opponents in recent years, making his response to this particular callout noteworthy. No official fight between the two has been announced, but Costa's engagement with the callout suggests potential interest or at least acknowledgment of Guskov as an opponent.