2015–16 Sydney FC season Mariners), when the club signed Matt Simon. The club then lost the services of talented Socceroos midfielder Terry Antonis when he was transferred to Greek powerhouse PAOK on 19 August 2015. On 25 August 2015, Sydney FC became the first club to utilise the "Mature Age Rookie" concept, signing Alex Mullen on a one-year deal. The club also announced the signing of veteran Sydney FC gloveman Ivan Necevski (who returned to club after a stint with New South Wales Premier League outfit Rockdale City Suns) alongside Sydney FC Youth captain, Jacob Tratt. Sydney FC began the regular season at home
2015–16 Sydney FC season midfielder Nick Fitzgerald was sent off for a second yellow card, swinging the game in Sydney's favour. After a lengthy stalemate, Mariners all-time top goalscorer and new Sydney FC signing Matt Simon scored after a marauding run from Filip Hološko, who unselfishly laid the ball off to Simon. Six minutes later, Simon scored his second goal after a smart run from Mickaël Tavares, and thus, the game ended 3–1, to Sydney. Sydney remained on top of the A-League ladder as the only unbeaten team remaining in the competition. 2015–16 Sydney FC season The 2015–16 Sydney FC season was the club's