Matty Johns' badge of honour

James Graham interviews superstar Matty Johns, who shocks James with some revelations: he was first knocked out cold at the age of six, and suffered 80 concussions during his glittering league career. Johns, Australia's most successful ex-footballer, tells James he has no regrets, and shares his thoughts on how to protect players from themselves.See omnystudio.com/listener for privacy information.

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NRL superstar James Graham discovers the truth about what football has done to his brain - and faces up to deeply confronting questions about risk, reward, masculinity and responsibility.