Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Jorge Alejandro Contreras Lira (born July 3, 1960 in Lo Barnechea) is a former Chilean football forward. He obtained a total number of 24 caps for the Chilean national team during his career, scoring two goals. Contreras retired in 1998. 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.