There's been a lot of talk lately about the controversial testosterone replacement therapy subject and its usage in MMA.
For former heavyweight champion Cain Velasquez, it's a pretty open and shut case.
He wants all fighters to be on a level playing field and if that means more testing to rule out the cheaters, then game on.
Hear what Velasquez had to say about that and his return to action in this exclusive interview:
This video is hosted from www.youtube.com