 He continued to advance in 2009 and played for South Australia in the 2009 AFL Under 18 Championships in addition to winning the SANFL reserves premiership with Glenelg.Carey turned down a rookie contract offer from the South Australian Cricket Association and moved to Sydney in 2010 to join the Australian Football League's (AFL) new expansion club, the Greater Western Sydney Giants, who were playing in the TAC Cup for the season to prepare for their entry into the AFL in 2012.Carey captained the side, who made it to the finals and, despite missing the final four rounds due to injury, won the team's best and fairest award.