In 1984 Tunks left Souths and went to Canterbury-Bankstown where Warren Ryan built a team around Tunks and Peter Kelly as prop forwards to create a style of play known as "Wozzaball", with the team nicknamed "The Enforcers" due to the power of their defence, which at the end of the 1984 season conceded just a solitary penalty goal in almost four complete games.
In 1984, Tunks left Souths and joined Canterbury-Bankstown where Warren Ryan assembled a team around Tunks and Peter Kelly as prop forwards to establish a style of play called "Wozzaball", with the team nicknamed "The Enforcers" due to their powerful defense, which at the end of the 1984 season conceded just one penalty goal in almost four complete games.