Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Mika Lahtinen (born 30 April 1985 in Tampere) is a Finnish footballer. He is a forward and he plays for Finnish team RoPS of the Veikkausliiga. He has previously also played for JJK at the top level and on loan at RoPS, Rovaniemi. Association football, more 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.