On the field of play Mark Jones was a warrior, a man who never took a backwards step against even the most physically intimidating of opponents.
But away from rugby he was fighting a hidden battle for years, one which drove him to the depths of despair and gave him sleepless nights for the best part of 50 years.
The former Neath, Ebbw Vale, and Wales No 8 has a stammer, which triggered feelings of what he describes as self-loathing. He also claims it was one of the main reasons he engaged in acts of violence on the rugby field.
