The opening match matters because it concentrates curiosity. Readers want the official city, the atmosphere, the symbolic meaning, and the practical implications in one place.
Mexico City can support all of those angles at once. It carries football history, national significance, and strong regional interest across Spanish-language audiences.
That makes the page valuable for search growth because it combines event intent, venue intent, and country-level audience demand in a single topic.
The earlier that page matures, the stronger it becomes as a durable entry point for the whole opening-week package.
When the opener is assigned, one city becomes the front door of the tournament.