Career
He plays as a Prop or in the Second Row. While attending Westfield Sports High School, Greenfield played for the Australian Schoolboys team in 2003. He started playing rugby league relatively late in his life, having previously played basketball.
Greenfield started his first-grade career with the Cronulla Sharks, for whom he played one NRL match in 2004.
He then moved to the South Sydney Rabbitohs, playing in 24 NRL matches over four seasons. He signed for the Street George Illawarra Dragons from the 2010 season, and later extended his contract through the 2011 season.
Greenfield was selected to play in the 2011 World Club Challenge on 27 February 2011 at DW Stadium against the 2010 Super League premiers, Wigan Warriors. At the end of the 2011 season, he was released from his contract with Street George.
During his time at Melbourne, he suffered an injury from a shoulder charge which was bad enough to prevent him from continuing to play.
