FC Porto vs Olympiacos FC

FC Porto is a professional football club from Portugal which competes in the Primeira Liga, the top division of Portuguese football. It is one of the "Big Three" clubs in Portugal, along with Benfica and Sporting Lisbon, and is the most successful club in Portuguese football, having won a record 74 official titles, including the Primeira Liga 27 times, the Taça de Portugal 28 times, and the UEFA Champions League twice. It is also the only Portuguese club to have won the UEFA Europa League, the UEFA Super Cup, and the Intercontinental Cup, and is the most successful Portuguese club in international competitions.