Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Gergely Balázs (born 21 December 1982 in Debrecen) is a Hungarian football (forward) player who currently plays for Hajdúböszörményi TE. 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.