Complex sentence: The following season, he was in the team that reached the semifinals of the 1984 European Cup Winners Cup and won the European Super Cup and in 1985-86 he helped the team to the quarterfinals of the 1986 European Champions Cup.
Split into simpler sentences: The following season, he was in the team that reached the semifinals of the 1984 European Cup Winners Cup and won the European Super Cup. In 1985-86 he helped the team to the quarterfinals of the 1986 European Champions Cup.