Paulo Costa responds to Bogdan Guskov's callout

Paulo Costa has responded to a callout from Bogdan Guskov. The Brazilian fighter's response was shared via social media and reported by the Kaluginboy channel. The specific nature of Costa's response or any details about potential fight negotiations were not included in this brief post. This represents the latest exchange between fighters seeking to secure matchups in the middleweight division. No timeline or confirmation of an actual fight booking was mentioned.