Serie A is the top professional football (soccer) league in Italy, known for being one of the most prestigious and competitive leagues in the world. It features a system of promotion and relegation with Serie B, the second tier of Italian football. Serie A has a rich history, established in 1898, and has a reputation for skillful players and tactical gameplay. The league comprises 20 teams that compete annually, with the champion qualifying for the UEFA Champions League and other European competitions. Serie A is also famous for its passionate fan base and iconic clubs, such as Juventus, AC Milan, and Inter Milan. The league is known for its distinctive style of play, often emphasizing strong defensive strategies.