 He was replaced by Ernie Merrick for the 2013-14 A-League season.Following Merrick's resignation on 5 December 2016, Greenacre was appointed as co-coach of the A-League side alongside Des Buckingham, originally as interim coaches, and in January 2017 confirmed for the roles until the end of the 2016-2017 season.Greenacre and Buckingham applied for the role on a permanent basis at the end of the season, but were passed over in favour of Darije Kalezic.