All kidding aside, Cyborg was probably taking enough steroids to match or exceed a set of testicles. Her opponents were essentially fighting a physiologic man. She is a cheater. If I was a future opponent, I would demand weekly blood tests starting about 6 months out from the fight.
"Be of good comfort, Master Ridley, and play the man! We shall this day light such a candle, by God's grace, in England, as I trust shall never be put out."
--Hugh Latimer, October 16, 1555