原來係意大利
以前有印象聽過 終於搵到
https://en.m.wikipedia.org/wiki/2006–07_Serie_B
] Third-placed team Genoa were directly promoted without a play-off being played as they finished 10 points ahead of fourth-placed Piacenza.
呢一年意乙冠亞軍就係今屆意甲冠亞軍
個賽制係咁
At the end of the season, three teams are promoted to Serie A and four teams are relegated to Serie C. The top two teams are automatically promoted. If the 3rd-placed team is 10 or more points ahead of the 4th-placed team, it is automatically promoted too, otherwise a playoff tournament determines the third team that will be ascending.