S.L. Benfica
Benfica has won 37 Portuguese Leagues, 29 Portuguese Cups, 7 League Cups, 8 Portuguese Supercups and 2 UEFA Champions League titles. They also reached 5 Champions League finals, 3 Europa League finals and 2 Intercontinental Cup finals. They are the most successful team in the Primeira Liga and its fanbase is the biggest in Portugal, being traditionally very popular among workclass Lisbon suburbs and around the world among the portuguese diaspora, especially in its ex-colonies.