Latics striker Hallam Hope ended up in hospital after he was the victim of a 'vicious' assault outside Boundary Park on Saturday.
Hope (28), who joined Latics from Swindon in July, 2021, was attacked following Saturday's 2-0 home National League defeat by Chesterfield.
A statement released by Latics read: "Oldham Athletic is sorry to have to report that our player, Hallam Hope, was the victim of a vicious assault on Saturday evening.
"The assault took place in the staff car park following Saturday’s game against Chesterfield.
"Hallam sustained serious injuries which required hospital treatment and he will be out of action for some weeks.
"The matter has been reported to the Police and we have provided CCTV footage in relation to the incident.
"Whilst the investigation is continuing Oldham Athletic will make no further comment on the incident.
"The club is supporting Hallam and will continue to do so.
"We wish him a speedy recovery from a dreadful experience."
Hope has scored three times in seven appearances so far this season.
