If the number of replica shirts sold worldwide is an indicator of the fan support for that club, then the latest data shows what Manchester United are the biggest club in the world.
The Premier League giants sold a staggering 2,850,000 in 2016, helped by the arrivals of Paul Pogba and Zlatan Ibrahimovic.
The only other Premie League to break into the top 10 were Liverpool, who are in eight place in the global chart selling 705,000. Fenway Sports Group will not be amused to learn that fans bought 4 Manchester United shirts for every Liverpool shirt sold.
The top 10: