Schalke 04 vs FC Porto

Schalke 04 FC is a German football club based in Gelsenkirchen, North Rhine-Westphalia. The club plays in the Bundesliga, the top tier of the German football league system, and is one of the most successful clubs in German football history. They have won seven national championships and five DFB-Pokal titles. The club had its greatest success in the 1930s when it won three consecutive national titles. Schalke 04 are one of the most popular football clubs in Germany, with over 140,000 members. The club's home stadium is the Veltins-Arena, which has a capacity of 62,271. 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.