Nyorai kupfuurira kweiyi ndima - De Leeuw akakunda ndarama pa 1974 European Championships
muGeneva. Pa1976 Winter Olympics muInnsbruck, akatakura mureza weNetherlands uye akaita nzendo dzezuva nezuva kuGermany nokuda kwenguva yechando. Iye akagamuchira menduru yesirivha, nepo Hamill naErrath vakagamuchira ndarama nebronze zvichiteerana. Mushure mokutora bronze pa 1976 World Championships muGothenburg, de Leeuw akarega kubva kumakwikwi eISU. Akafamba neHoliday paChando uye Ice Follies uye akazova mudzidzisi, achishanda paWestminster Ice Palace muWestminster, California uye Anaheim Ice.