I dont see any connection between islam and soccor rather any sport. Muslm or no muslim, they are french and in every country they are just players.
We seems to be obsessed with muslim numbers in every which way. National cricketer Mohammad Yousuf was a christian before islm, but no one made it big. Many of India's cricker team are muslim.
Btw, there so many muslim players in Germany, Belgium, Croatia, England and many teams.