Messi signed a two-year deal with PSG this week, with an option for a third, that will net him an annual salary of $41 million plus bonuses. PSG said on Thursday that Lionel Messi's wage package includes the cryptocurrency ”$PSG Fan Tokens.”
This was just a few months ago... and I think it will become a trend! Binance is doing a lot in this field, and they already have a few tokens listed! Of course, it all starts with big clubs and names, and for sure that will spread to others!
But generally speaking, I also believe with what @Woodie said above. Chances are these tokens are some kind of loyalty point for fans to use on their team, gifts, discounts at team stores, discounts on game tickets and so on.
And it will be enough, there are too many soccer fans out there... so these tokens can become popular in the future!