Throughout the majority of his UFC career, Georges St-Pierre fought in an era when drug testing procedures were not as stringent as they are today. The former two-division champion pushed for stricter anti-doping policies even before taking a four-year layoff from MMA. In June 2015, with GSP still on the sidelines and unsure about his fighting future, USADA partnered up with the UFC,
St-Pierre did experience being under USADA’s watch when he made his comeback in 2017. From what he had experienced so far, he feels fighters can still find a way to get around the system if they wanted to.