In the 58th minute of the game, the Madrilenian coach stormed towards the BVB sports director, furious and gesticulating wildly, and pushed him slightly backwards. For a moment the two even stood face to face.
The reason for the excitement was an alleged foul on Dortmund captain Emre Can, which was not punished by referee Marco Guida. Instead, Atlético stayed in possession of the ball and counterattacked despite Can lying on the ground.
Kehl responded to this with loud complaints on the sidelines, which in turn angered Simeone.