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 Bengaluru FC season good form and finished the first month on top of the table. Defeat to the previous season league champions Mohun Bagan in February saw the club slip into second place until the final month of the season. However, the club then went seven games unbeaten to return to the top of the table by April. The title was secured on 17 April when Bengaluru FC defeated Salgaocar at home. After the I-League season, the club were knocked out of the Federation Cup in the first round of the competition by Aizawl. The club started their AFC Cup campaign slowly, losing