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 Central Coast Mariners FC season 2015–16 A-League season with a win over Perth Glory. After Roy O'Donovan scored the opening goal of the season from a rebound, two second-half penalties scored by Fábio Ferreira gave Central Coast a 3–2 win. 2015–16 Central Coast Mariners FC season The 2015–16 Central Coast Mariners FC season was the club's 11th season since its establishment in 2004. The club participated in the A-League for the 11th time and the FFA Cup for the 2nd time. The Mariners entered the 2015–16 season with significant change, following a relatively unsuccessful 2014–15 season. It was announced in April 2015 that Tony Walmsley