Football clubs getting bigger everyday, with increased revenue and commercial streams, and increasingly high wages and transfer fees - but what really matters is the fans.
Here, GMS looks at the 10 football clubs with the most fans, both at home and around the globe.
Will new money clubs such as Manchester City and Paris Saint-Germain make the list? Or will they be usurped by footballing institutions like Liverpool and AC Milan?
And who will take the top spot? Global marketing supremos Manchester United? Nine-time Champions League winners Real Madrid? Or perhaps the recently dominant FC Barcelona?
Click below to find out.
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