[2] Although it is an amateur competition organized by the FAS, several former Singapore internationals and ex-S.League players have played in the league such as Jonathan Xu, Indra Sahdan Daud, Precious Emuejeraye and Ahmad Latiff (Eunos Crescent), Yazid Yasin (Gymkhana) and Zulkiffli Hassim (Yishun Sentek Mariners).
The history of the National Football League (NFL) can be traced back to the earliest 20th century during the British colonization of Singapore, whereby the Singapore Amateur Football Association (SAFA) was formed in year of 1892.
As of 2018, it makes up provisional tiers 2 and 3, behind the professional Singapore Premier League, with rules of promotion and relegation applied for teams in NFL Division One and NFL Division Two.
The top eight placed teams in the league progressed to a knock-out stage to determine the champions.
[21] League stage winners Tiong Bahru defeated 4th-placed Tampines Rovers 2–1 in the final to clinch the championship.