Cardiff Blues second-row Filo Paulo has been arrested following an alleged assault in a kebab shop on the city's Caroline Street.
6ft 6ins, 19 stone Paulo has been released on Police bail after being apprehended in the early hours of Monday morning.
A 23-year-old woman was also arrested and cautioned for assault.
"Police were called to Caroline Street in Cardiff at around 3.25am on Monday 24th February following reports of a disturbance in a takeaway shop," said a South Wales Police spokesman.
"A 23-year-old woman was arrested a subsequently cautioned for common assault.
"A 26-year-old man was arrested on suspicion of assault and is currently on police bail while an investigation continues."