Gary McAllister was allegedly assaulted in a city centre attack just hours after watching Liverpool Legends play at Anfield in a charity match.
The 54-year-old watched the Liverpool Legends match against AC Milan on Saturday afternoon, where Steven Gerrard scored the winner to make it 3-2.
However, just hours later, the ECHO understands Mr McAllister was rushed to hospital after being punched in the face outside a bar.
The attack took place on Call Lane in Leeds city centre, an area populated with a number of bars and restaurants, at about 4am on Sunday.
Police confirmed they were investigating an attack on a man in his 50s in the city centre, but were unable to confirm whether Mr McAllister was involved.
Detective Inspector James Entwistle , of Leeds District CID, said: “We are investigating an assault that occurred in Call Lane in Leeds city centre at about 4am yesterday.
“The initial report was that a man, aged in his fifties, was stood outside a bar when a man approached him and punched him in the face causing injuries that required hospital treatment.
“We are currently arranging to speak to the victim to take fuller details of the incident and will be progressing the investigation to identify the person responsible.”
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Mr McAllister has worked alongside Steven Gerrard as the assistant manager at Rangers since the former Liverpool captain was appointed in 2018.
Rangers FC were approached for comment but had not responded by the time of publication.
Gary McAllister played for Liverpool under Gérard Houllier from 2000-2002, playing in the team that won the treble in the 2000-01 season.
Anyone who witnessed the incident or who has any information that could assist the investigation is asked to contact Leeds District CID quoting crime reference 13190152147.
