An Arsenal fan accused of headbutting Roy Keane claimed the ex-Manchester United player approached him violently inside the Emirates Stadium following a crunch match.
Scott Law, 43, has pleaded not guilty to a single charge of common assault against Mr Keane following Arsenal's 3-1 victory over the ex Republic of Ireland captain's old team.
The incident happened on September 3, 2023.
The former Manchester United midfielder, who was working as a pundit for Sky Sports, was allegedly headbutted through doors at the Emirates Stadium by Law, of Waltham Abbey, Essex.