Davinson Sanchez fired a pass out to Erik Lamela on the right flank, just as the Argentine attacker who scored a magnificent Rabona earlier on controlled the ball, he hit out at the ace of Kieran Tierney.
The Arsenal left-back went down in agony and Michael Oliver immediately brandished a second yellow card to the man that replaced Heung-Min Son early, before showing red and sending the ace off.
Jose Mourinho was completely frozen as the decision was made, marking a dramatic implosion from Spurs against their heated rivals on the big stage.
We can’t wait for Jose Mourinho’s reaction to Spurs’ capitulation at full-time. That will be a real sight to behold.