August 23, 2006 - Courts confirm that Belenenses will play instead of Gil Vicente due to the Mateus affair. The following days met much controversy: the day the league started, it was still not known which teams would play in the major league.
Benfica played the 3rd qualifying round on 8 August (first leg) and 22 August (second leg), 2006, against Austria Wien and qualified to the group stage of the Champions League.
Portuguese teams entered the UEFA Cup in the 1st round immediately after the two qualifying rounds. That year's teams in the UEFA Cup were Sporting de Braga, Nacional, and Vitória de Setúbal. Benfica eventually entered into the Round of 32 after achieving a 3rd-placed finish in its UEFA Champions League group.
1 On 7 February, the Italian Government ruled that Parma and Livorno's home fields did not meet requirements following riots held after an Italian Serie A match in Sicily. Livorno played its home leg behind closed doors on 14 February. Parma played its home leg behind closed doors on 22 February. 2 Transferred from UEFA Champions League group stage as third-place finishers in their groups.
The Selecção played its first game against Denmark in September, losing to the Northern European side. After that friendly, the national team started its qualification for UEFA Euro 2008 with a draw against Finland.