Russian MMA fighter Sergei Kharitonov has claimed that the awesome shape of 53-year-old former undisputed world heavyweight champion Mike Tyson has has been achieved with the help of steroids.

Tyson has published a number of short videos showing off a rippling physique not dissimilar to the hulking body he owned when he became youngest man ever to win the world heavyweight championship in 1986, and showing his skills on the pads have far from eroded.

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Bellator heavyweight Kharitonov, who last month said he “accepted the challenge” of a potential fight with Tyson should he return, says he holds no grudge toward the Brooklynite, but says he could only achieve such a phenomenal figure at such an age with a little chemical help.

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