Queens Park Rangers midfielder Joey Barton has been bailed after being arrested on suspicion of affray.
Barton was involved in an incident outside a Liverpool nightclub at around 5.30am on Monday morning.
Two 21-year-old men from the Old Swan area of Liverpool were arrested on suspicion of a public order offence at the scene of the incident and questioned. Barton and a 20-year-old man were then arrested on Monday afternoon.
A spokesman for Merseyside Police said on Monday evening that all four had been bailed: "Following an altercation in Eberle Street, Liverpool city centre, in the early hours of this morning, four men have been arrested on suspicion of affray.
"Two 21-year-old men were arrested at the scene in the early hours of this morning and another two men, a 20-year-old from the Liverpool area and 29-year-old from the Widnes area, were arrested this afternoon.
"The two 21-year-old men and the 20-year-old man have been questioned by officers and have been released on bail pending further inquiries."
A spokesman later added: "Merseyside Police can confirm that the 29-year-old man arrested on suspicion of affray has been released on bail pending further inquiries."