Belgium is a country with three official languages (Dutch, French and German), all of which are used in practice by significant portions of the population, largely divided by geography. Of course, football players come from all different regions. How do they communicate on national teams? Is there a dominant language, or does each just use his most fluent language while all others are assumed to be able to understand, more or less? In what language does the coach instruct the team?
On a side note, I've read somewhere that players (and some supporters) of Anderlecht use English to communicate and support the team. I hadn't imagined English to be such a popular choice in a country where it's not an official language. Does this claim make sense?