Similar to the Campeonato Brasileiro, teams during the reduce series, like B and C, is often promoted to the top division annually. In the case of Italy, only the major 3 groups in Serie B are promoted to Serie A (in Brazil, marketing occurs for 4 groups in Serie B). https://tylekeonhacai89865.blogripley.com/38418860/fascination-about-what-is-serie-a