The England Football Association has charged Newcastle United manager Alan Pardew with improper conduct after his headbutt on Hull midfielder David Meyler.
Pardew, who has already been handed a $200,000 fine and formal warning by his club, was sent to the stands by referee Kevin Friend after the 72nd minute flare-up on the touchline during the Magpies 4-1 Premier League win at Hull.
Pardew has apologised for his conduct and has until Friday to respond to the charge.
It is not the first time the manager has been in hot water over his touchline behaviour and he could receive a lengthy ban for an altercation which has been widely condemned, including by England's League Managers' Association.
He served a two-match touchline ban for shoving a referee's assistant on the opening day of last season while earlier in this campaign he verbally abused Manchester City manager Manuel Pellegrini.
There is no limit to the length of the suspension the FA can impose for Pardew's latest faux pa.