25-year old Manuella who now plays plays for Stains Town will face up to 12 months in prisonment after pleading guilty to the charge at a previous hearing.
The player was accused of headbutting an opponent during Staines' FA Cup match against Dunstable last year and is the second time a Staines player has appeared in court after an incident during a football match.
The clubs former striker Kezi Ibe was charged but later cleared of assaulting Halifax Town manager Chris Wilder after an FA Trophy tie in 2004.
With thanks to the NLP.