The victim of the attack outside Anfield before Liverpool's Champions League semi-final first leg against Roma has been named.
53 year old, Sean Cox from County Meath in the Republic of Ireland is in a critical condition in hospital.
Two men, aged 20 and 29 have been arrested by police on suspicion of attempted murder. Seven others were arrested for a variety of offences including affray and possession of an offensive weapon.
The attack took place outside Anfield Stadium on Walton Breck Road.