Paulo Costa responds to Bogdan Guskov's callout

Brazilian middleweight Paulo Costa has publicly responded to a challenge issued by Bogdan Guskov. The post does not provide details about the nature of Costa's response or whether he accepted the fight proposition. Guskov has been actively calling out opponents in the middleweight division. Further details about potential matchup terms or timeline have not been disclosed. This exchange adds to ongoing storylines in the UFC middleweight rankings.