Paulo Costa offended by Murzakanov's 'secret juice' comments about Russian fighters

Paulo Costa has taken issue with comments made by Azamat Murzakanov regarding a 'secret juice' possessed by Russian fighters. Murzakanov stated that people will soon learn what the secret is and what Russian fighters have that gives them an advantage. The remarks appear to have gotten under Costa's skin ahead of their upcoming fight. The post does not elaborate on Costa's specific response, but indicates he was bothered by the insinuation. The 'secret juice' comment from Murzakanov adds another layer of tension to their pre-fight buildup.