Career
He most prominently played for in the German Bundesliga championship. Klein made 90 appearances for the Romanian national team, scoring five times. Klein played for Romanian clubs and before he moved abroad to play for German club in 1990.
When Uerdingen were relegated following Klein"s first season at the club, he followed them to the lower 2nd Bundesliga division.
He died of a heart attack during a training session on 2 February, at the age of 33.