Kammala wannan jumla: Colchester da sauri ya nada sabon manajan, Jack Butler, tsohon dan wasan Arsenal da Ingila. Ya koyar a Belgium, da farko tare da Royal Daring Club Molenbeek kuma ya kasance mai kula da kungiyar kwallon kafa ta Belgium tsakanin 1935 da 1940, yana jagorantar su zuwa gasar zakarun Turai a shekarar 1940.
Gasar cin Kofin Duniya ta 1938. Kwanan nan, ya jagoranci Torquay United da Crystal Palace, amma Butler ba shi da lokacin da zai shirya tawagarsa kafin sabuwar kakar wasa, kuma wasanni 13 ba tare da nasara ba a ƙarshen 1953 ya ga Colchester ya ragu zuwa matsayi na 23 a gasar.