As Chelsea players stormed the field in celebration, Chelsea striker João Pedro exchanged some words with PSG goalkeeper Gianluigi Donnarumma. The altercation escalated when Donnarumma slapped João Pedro. But instead of diffusing the situation, Enrique grabbed at João Pedro's throat and slapped the Chelsea player.

The tournament delivered spectacle and a clear warning: hosting the world's biggest sporting event next summer will take more than world-class stadiums.