Eusebio , 71 , died from a heart attack , former club says . Comment: Portugal star was top scorer at 1966 World Cup . ` As a man , he was quite humble , kind and very down to earth , '' said CNN 's Duarte Mendonca , a Benfica supporter who was in Lisbon for the funeral . Compatriot Cristiano Ronaldo among those to pay tribute .
Eusebio , 71 , died from a heart attack , former club says . Comment: Portugal star was top scorer at 1966 World Cup . Compatriot Cristiano Ronaldo among those to pay tribute .