Ex-All Black prop Carl Hayman joins legal action after dementia diagnosis

Carl Hayman has joined a legal action against World Rugby and the Rugby Football Union. Picture: Joe Giddens

Former New Zealand tighthead prop Carl Hayman has joined a legal action against World Rugby after being diagnosed with early-onset dementia at the age of 41.

Hayman joins the litigation which also includes England’s 2003 World Cup-winning hooker Steve Thompson, who has said he has no memory of the part he played in that success.