Joop Vervoort Formal Name Johannes Vervoort Nationality Date of birth 1932-05-06 Date of death 1993-12-28 (61) 1978 FIFA World Cup qualification 1971/74 Friendlies 1970 FIFA World Cup qualification Finished matches Assistant Referee FIFA 28 May 1977 - 20:00 FIFA Hungary 3 0 Greece FIFA 16 Jun 1976 - 19:00 FIFA Sweden 2 0 Norway
