Brazilian middleweight Paulo Costa has responded to a callout from Bogdan Guskov. The post does not specify the nature of Costa's response or provide details on the context of the exchange. Guskov, a rising Russian fighter, appears to be seeking a high-profile matchup. No timeline or further details about a potential bout have been disclosed. The callout represents Guskov's attempt to secure a name opponent in the UFC middleweight division.
