AC Milan of the late 80s. Bayern Munich and Ajax of the 70s. Helenio Herrera's Inter team. Real Madrid of Alfredo Di Stefano and Ferenc Puskas. Liverpool's dominant side that collected four European Cups in seven years. Eusebio's Benfica, Pele's Santos, Zico's Flamengo, Spencer's Penarol. All incredible teams, all considered among the finest in club history.