Football debuted at the 1900 Olympics and has been featured in virtually every edition of the Games since then, appearing only briefly in 1932 when it was hosted in Los Angeles.For decades, the Olympics were only for amateur competitors and football was no exception. Great Britain was dominant in the early years, while Uruguay won back-to-back tournaments in the 1920s before the introduction of the world's first World Cup ever in 1930.But with domestic football becoming more professional in more and more countries, Eastern…