The FA will wait to see if an alleged head butt by Diafra Sakho on Manchester United’s Luke Shaw is included in referee Lee Mason’s match report before deciding on any course of action.

The FA will wait to see if the alleged episode is included but do not need to receive a complaint to act.

Shaw left the pitch with a black eye after the Hammers 2-1 defeat and was seen remonstrating with one of the officials for their perceived failure to act upon the incident.

Were the Senegalese striker to be found to have struck the defender the penalty would likely be a three games ban for violent conduct.