The brawl allegedly broke out near Park Road and Queen Street, Auburn, about 11pm, and when police arrived they found two men aged 39 and 53 with lacerations to their heads.
They were treated on scene before being taken to hospital in a stable condition.
Four men were spoken to by police and released.
The following day a 39-year-old man was charged with affray and a 53-year-old man charged with wound person with intent to cause grievous bodily harm.
Anyone with information about this incident is urged to contact Crime Stoppers, 1800 333 000 or nsw.crimestoppers.com.au. Information is treated in strict confidence.
