National anthems are a feature of international football and Goal takes a look at the one El Tri has used since their inception
One of the best parts of participating in international football is feeling a deep sense of connection to one's homeland, so the singing of the national anthem before matches can provide an emotional boost to many players.
Each side lines up in single rows, often with hands over hearts, to recite their respective songs.
Not every player loves the tradition - some have complicated relationships with their governments, for example - but it has nonetheless become a staple of the game.