Krieger started his professional career at Austria Wien before moving abroad in 1975 to enjoy a very successful period at Ernst Happel's FC Brugge.
After a short spell at Dutch side VVV-Venlo, Krieger returned to Austria to finish his career at LASK Linz.
Krieger made his debut for Austria in April 1970 against Yugoslavia and was a participant at the 1978 FIFA World Cup.
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