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Former All Black Carl Hayman has today revealed he is suffering from early onset dementia.
The legendary tighthead prop told Dylan Cleaver's "The Bounce" that the 450 professional games he played have taken a severe toll on his brain
He's now joined the class action suing world rugby for failing to protect players from the dangers of head knocks.
Another former All Black who has come out in support of the class action is Geoff Old.
Geoff's wife Irene Gottlieb joined D’Arcy Waldegrave.