The midfielder was clearly told to "F*** off" while talking to one fan, while another rejected his offer of a fist bump.
It's not clear why the 26-year-old went to the home fans after the end of the 1-1 draw.
Some viewers on social media claimed that Ox had been getting some stick from that section of the crowd while warming up.
Oxlade-Chamberlain involved in row with Man Utd fans as smiling star told to ‘f*** off’ and has fist bump rejected It is not clear why the smiling Ox went over to the fans. The incident took place after the 1-1 draw between Man Utd and Liverpool at Old Trafford pic.twitter.com/x6b86Lx20t— Lilian Chan (@bestgug) October 20, 2019