Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Attila Kriston (born 6 June 1975 in Budapest) is a Hungarian professional football player who is currently unattached. 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.