Stephen David Roach (born 24 April 1962), nicknamed Blocker or Blocker Roach, is an Australian former professional rugby league who played as a prop forward in the 1980s and early 1990s. His most famous catchphrase is “Big Boppa” He made thirty-nine representative appearances for the Australian national team in Tests, World Cup and New South Wales State of Origin matches between 1985 and 1991. His football career was followed by a period as a commentator.