Vancouver Whitecaps eliminated San Diego and made it to the grand final of the MLS Cup, where they will face none other than Inter Miami. The match will be special not only because of the title at stake, but also because two legends will face each other again: Lionel Messi will once again go up against Thomas Müller.

The MLS Cup Final is officially set, and it’s a dream matchup for soccer fans across North America: Lionel Messi’s Inter Miami vs. Thomas Müller’s Vancouver Whitecaps.

But on Saturday, the league has a massive marketing opportunity to showcase itself through a championship game featuring two of the sport’s most decorated global players: Inter Miami’s Lionel Messi an...