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 R's 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.
More top news
George Michael died in December last year at the age of 53.
PC Keith Palmer, 48, stabbed by Khalid Masood while on duty in the grounds of the Palace of Westminster last Wednesday.
Those gathered on the bridge fell silent at 2.40pm - the time the first call was made to police exactly seven days ago.