Which club has had the most EURO winners?

Spanish and German national teams have won more EUROs than any other country but, when it comes to club sides, which have harboured the most EURO-winning players?

Bayern München are the kings of the UEFA European Championship, with 18 players having picked up EURO winners' medals while playing for the club since the competition's inception in 1960.
EURO winners by club (all finals squad members, including unused players)
18: Bayern München
15: Barcelona
14: Real Madrid
9: Bordeaux, Borussia Mönchengladbach
8: Borussia Dortmund
7: AC Milan, Internazionale, Monaco, Valencia, Slovan Bratislava
6: Juventus, Köln, Panathinaikos, Real Zaragoza
5: AEK Athens, Ajax, Chelsea, Liverpool, PSV, Werder Bremen
4: Athletic Club, Arsenal, Atlético Madrid, Brøndby, Hamburg, Lyngby,
Olympiacos, Stuttgart
3: Dinamo Moskva, Dinamo Tbilisi, Dukla Praha, Fiorentina, Inter Bratislava, Paris Saint-Germain, Sevilla, Slavia Praha, Spartak Moskva, Villarreal
2: Auxerre, Bologna, Duisburg, Dynamo Kyiv, Eintracht Frankfurt, Feyenoord, Kaiserslautern, Košice, Lokomotiv Moskva, Mallorca, Manchester United, Napoli, Real Betis, Roma, Schalke, Torino, Toulouse
1: Aarhus, Anderlecht, B 1903, Benfica, Beşiktaş, Bohemians Praha, Bolton Wanderers, Cagliari, CSKA Moskva, Den Bosch, Fortuna Düsseldorf, Fortuna Sittard, Freiburg, Getafe, Hansa Rostock, Karlsruher, Leicester City, Lokomotiva Košice, Málaga, Manchester City, Marseille, Mechelen, Mulhouse, Nantes, Odense, Parma, Roda, Silkeborg, Spartak Trnava, Sochaux, Teplice, Torpedo Moskva, SKA Rostov, Trabzonspor, Udinese, Varese, Vejle