The Turkish Super Lig is the top professional football league in Turkey, established in 1959. It features 18 teams that compete annually for the championship title. The league operates on a system of promotion and relegation with the TFF First League, the second tier of Turkish football. Matches are typically held from August to May, with each team playing 34 games in a round-robin format. The league is known for its passionate fan base and intense rivalries, particularly between clubs like Galatasaray, Fenerbahçe, and Beşiktaş, which are collectively known as the "Big Three."