He says he will , however , continue to rally for a cleaner sport .
Although he is a vocal opponent of performance - enhancing drugs , the French - Canadian fighter said he wo n't be a steroid whistle - blower .
opponent says opponent will , however , continue to rally for a cleaner sport .
Although he is a vocal opponent of performance - enhancing drugs , the French - Canadian fighter said he wo n't be a steroid whistle - blower .