Advertising and Relegation: The underside three teams at the end of the year deal with relegation to Serie B, while the top 3 groups from Serie B are promoted. Historical Importance: Serie A, set up in 1898, is one of the oldest and most prestigious soccer leagues on this planet. https://ty-so-7m00986.worldblogged.com/45125190/the-best-side-of-how-many-rounds-are-there-in-serie-a