Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Hélder Bruno Macedo Sousa (born 13 October 1977 in Matosinhos) is a Portuguese footballer who plays for Olympiakos Nicosia in Cyprus, as a midfielder. Association football, commonly known as football or soccer, is a sport played between two teams of eleven players with a spherical ball. At the turn of the 21st century, the game was played by over 250 million players in over 200 countries, making it the world's most popular sport.