Riyadh Air's name is on Atlético's stadium. Which raised a fair question: what does an airline actually bring to a football match?
A safety briefing. Cabin crew in Atleti scarves, on the pitch of Riyadh Air Metropolitano, walking fans through the matchday drill with the calm of a pre-flight demo. When to stand. When to sing. Where the exits are, in case you're a Real Madrid fan.