 Complete the following phrase:  In his active career, Olsen predomitly played as a defensive midfielder and libero. He played professionally in Belgium and Germany, and won the 1983 UEFA Cup and three Belgian First Division championships with R.S.C. Anderlecht. Olsen played a total 102 matches and scored four goals for the Danish national team from 1970 to 1989, and was named 1983 and 1986 Danish Player of the Year. He captained the Danish national team in 50 games during the 1980s, and represented Denmark at the 