Monaco and Lyon - after the full-time whistle, resulting in five red cards between the two sides. Lyon's Mattia De Sciglio and Marcelo, alongside Monaco's Pietro Pellegri and Willem Geubbels, joined Lyon's Maxence Caqueret - who had already been given his marching orders - in seeing red during the fixture.
Tensions appeared to spill over after the game as players, and coaching staff, pushed and shoved each other in the centre circle.
Pellegri, Thiago Mendes and Wissam Ben Yedder all seemed to be at the heart of the conflict, and Pellegri had to be furiously dragged away by staff.
Emotions were high at the Stade Louis II, with both sides seeing the game as a must-win fixture to help boost their hopes of Champions League qualification.
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