Quiz: Do you remember these tunnel bust-ups?
Sunday's Manchester derby - also known as Milk-gate - ended with a post-match bust-up which saw Manchester United manager Jose Mourinho having milk and water thrown at him.
Manchester City coach Mikel Arteta even suffered a cut to his head during the row.
The drama of the match got us thinking.
Tunnel bust-ups have featured heavily over the years, with Patrick Vieira v Roy Keane immediately springing to mind. And who could forget Pizza-gate?
With that in mind, BBC Sport has created a quiz to test your knowledge on past infamous scuffles.
Just how much can you remember from the fights of fixtures gone by?
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