Shortly after confessing that he indeed took a banned substance before his rematch with Dan Henderson on Saturday, an emotional Lyoto Machida went on Instagram to apologize and admit his mistake. Although the former UFC light heavyweight champion fully took responsibility for his actions, he did point out he was unaware that the substance 7-Keto, which contains the hormone DHEA, was illegal per USADA rules.
"I'm here to tell you that I was caught by surprise by this news. It has been very difficult for me. I've trained a lot for this fight.