Queen Park Rangers spokesman Ian Taylor said:
"Joey Barton was involved in an incident in Liverpool city centre in the early hours of Monday morning.
"Barton was on his way home from a night out with his girlfriend when two men sang offensive chants and then proceeded to hit the Rs midfielder.
"Police were immediately on the scene and arrested one man.
"Barton decided not to press charges and left the scene with his girlfriend soon after.
"The club will be making no further comment."
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