He is a Belgian former football goalkeeper who spent most of his professional career with Beveren and Bayern Munich. Pfaff was capped 64 times playing for Belgium, and participated at the 1982 FIFA World Cup and 1986 FIFA World Cup tournaments. At the age of 16, Pfaff joined K.S.K. Beveren with whom he won a Belgian champions title (1979) and a Belgian Cup (1978). The same year, he received the Belgian Golden Shoe. In 1982, he entered the Bayern Munich squad, getting three Bundesliga titles (from 1985 to 1987) and two German cups (1984 and 1986). Pfaff first played with the Red Devils in 1976 against legendary rival the Netherlands. He was the goalkeeper during Euro 80 and Euro 84, and the 1982 and 1986 World Cups. At the 1982 World Cup Pfaff nearly drowned after he was pushed into the swimming pool by a journalist, while he couldn't swim.