Rubuta ci gaba don wannan sakin layi - Siffert ya bar ƙungiyar a ƙarshen 1969, bayan ya gama shekara a matsayi na 9, kuma Rob Walker Racing Team ya yi gasa a karo na ƙarshe a 1970, ya shiga Lotus 72 don direba Graham Hill, wanda yanzu ya kai shekaru 40, kuma ya ƙi yin ritaya bayan babban hatsari a shekarar da ta gabata tare da Lotus. Kyakkyawan sakamakon Hill shine matsayi na 4 a GP na Spain
, amma ya bar ya shiga Brabham a karshen shekara.