Brazilian middleweight Paulo Costa has responded to a callout from Russian fighter Bogdan Guskov. The details of Costa's response are not provided in the post, but it confirms that he has acknowledged the challenge. Guskov has been vocal about wanting to face Costa inside the octagon. This represents a potential matchup between two aggressive strikers in the middleweight division. Further details on whether the UFC will move forward with booking this fight remain to be seen.
