Ferdinand Alfred Sinaga (born 18 September 1988) is an Indonesian professional footballer who plays as a forward for Liga 1 club Persis Solo. Ferdinand plays mainly as a striker, but he has also been deployed as a second striker, and wide forward. Club career Persib Bandung In March 2014, Sinaga was banned for two matches by the Football Association of Indonesia for excessively cursing at a referee in a match against Semen Padang on 16 February 2014. He missed Persib's next matches against PS Barito Putera and Arema Cronus. In addition to the ban, he was also fined 25 million rupiahs for his behavior. On 10 June 2014, Sinaga scored a spectacular bicycle kick in a 3–1 win over PS Barito Putera. He juggled the ball twice from a corner kick before unleashing an unstoppable overhead kick into the net. Sinaga played in the 2014 Indonesia Super League Final against Persipura Jayapura. Although he did not manage to score in normal time, Sinaga netted the second penalty for Persib in the 5–3 penalty shootout win. Sriwijaya On 30 November 2014, he was signed by Sriwijaya. Sinaga made his debut on 4 April 2015 in a match against Pelita Bandung Raya. On 7 April 2015, Sinaga scored his first goal for Sriwijaya in the 76th minute against Semen Padang at the Gelora Sriwijaya Stadium, Palembang. PSM Makassar He was signed for PSM Makassar to play in Indonesia Soccer Championship A in the 2016 season and 2017 Liga 1. He made 51 league appearances and scored 22 goals. Kelantan On 4 January 2018, Sinaga signed a one-year contract with Malaysian Malaysia Super League side Kelantan. He made his league debut for Kelantan FA in 2–1 defeat to Melaka United on 3 February 2018. On 19 March 2018, Sinaga has been released from Kelantan and returned to Indonesian club PSM Makassar. Return to PSM Makassar In 2018, it was confirmed that Ferdinand Sinaga would re-join PSM Makassar, signing a three-year contract. Sinaga made his debut on 31 March 2018 in a match against Perseru Serui. On 16 April 2018, Sinaga scored his first goal for PSM in the 28th minute against Barito Putera. He made 62 league appearances and scored 20 goals for PSM Makassar. PSMS Medan (loan) He was signed for PSMS Medan to play in the Liga 2 in the 2020 season, on loan from PSM Makassar. This season was suspended