Sky Sports rugby league expert Brian Carney reflects on Stevie Ward's decision to retire due to the effects of concussion and calls on rugby league's lawmakers to do more to deter contact with the head from tacklers...

More: https://www.skysports.com/rugby-league/news/12196/12180034/brian-carney-rugby-league-must-do-more-to-minimise-concussion-risk-from-dangerous-tackles