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 failng to protect players from the dangers of head knocks. 

Dylan Cleaver told D’Arcy Waldegrave that Hayman has shown bravery in opening up like this. 

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