Police probing disorder before and during the match on Tuesday evening have released images of three men they want to identify.
Kick-off at the Boleyn Ground was delayed by 45 minutes after the congestion and bottle throwing incident with United entering the ground half an hour before the scheduled kick-off.
When the game eventually did begin, visiting goalkeeper David De Gea was hit by bottles as he celebrated Anthony Martial’s goal early in the second half.
Both police and the FA launched investigations following the scenes and two men, aged 18 and 47, who were arrested for pitch incursion have been released on bail.
A 20-year-old man was arrested for affray in relation to bottles thrown at police officers. He has been bailed to return on a date in August.
Anyone with any information should contact the Public Order investigation team on 020 7275 4569.
Alternatively, contact Crimestoppers anonymously on 0800 555 111 or atquoting the image reference number.