Cooper Cronk revealed on NRL 360 that he is working with young Sydney Roosters debutant Sam Walker and believes he could be a superstar of the game. Subscribe and 🔔 to Fox League YouTube 👉 https://bit.ly/2TzhZQW Stream Fox League 👉 https://kayosports.app.link/g5C9NNMac7 FOLLOW US ON SOCIAL Facebook: https://www.facebook.com/foxnrl Twitter: https://twitter.com/FOXNRL Instagram: https://www.instagram.com/foxleague/