Man Utd and Arsenal warned of points-deduction precedent after ugly FA Cup brawl Manchester United and Arsenal have been warned they will be investigated after their players were involved in a 20-man mass brawl - with points deductions previously being dished out as a punishment.
He told Football Insider: "The mass confrontation which may have also seen a player headbutting an opponent will be the subject of an investigation by the Football Association.
The United man was left fuming with his opponent as words were exchanged before Manuel Ugarte was seen confronting Arsenal's German forward.
Referee Andy Madley wasn't shy in dishing out yellow cards as he attempted to wrestle control in the capital, booking nine individuals, including Mikel Arteta.
Former official Keith Hackett believes there is punishment coming both clubs' way for failing to control their players.
