Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Carlos Patricio Cisternas Tobar (born September 27, 1985) is a Chilean football midfielder. He currently plays for Deportes Puerto Montt. He previously played for Chilean clubs Magallanes, Colo-Colo, Ñublense and U. de Concepción. 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.