Wests Tigers halfback Robert Lui has been charged with assaulting his partner, just days after the club was knocked out of the premiership race.
Lui is alleged to have attacked his girlfriend Taleah following Mad Monday festivities.
The Tigers' season ended on Friday night when they were beaten 22-20 by the Warriors.
"It is alleged the woman was assaulted by a 21-year-old man who also resides at the premises,'' police said in a statement.
"Police found a woman suffering swelling to her face."
"The man was arrested at the scene and taken to Burwood Police Station where he was charged with assault occasioning actual bodily harm."
Lui was previously charged with assaulting a then-pregnant Taleah at the end of last season.
The charges were later dropped and Lui returned to the field where he was one of the Tigers' best players in 2011.
The club released a statement saying Lui had been stood down until further notice.
"Wests Tigers can confirm that Robert Lui has been charged by NSW police this morning with assault occasioning actual bodily harm," the statement said.
"The club and the player in question have co-operated fully with the police investigations. Both Robert and his partner Taleah will be offered counselling by the club."
"Given the nature of the allegation, Robert has been immediately stood down from all club duties until further notice."
"It is important however that the legal process is now respected by all parties and as such it would be inappropriate for us to be making any further comment at this stage."