Borussia Dortmund vs FC Porto

Borussia Dortmund Football Club, commonly known as Dortmund, is a professional football club based in Dortmund, North Rhine-Westphalia, Germany. It is best known for its men's professional football team, which plays in the Bundesliga, the top tier of the German football league system. Dortmund has won eight German championships, four DFB-Pokals, one UEFA Champions League, one Intercontinental Cup, and one UEFA Cup Winners' Cup. The club has a long-standing rivalry with the city of Schalke 04. 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.