Rubuta ci gaba ga wannan sakin layi - Jarvis an haife shi a Dartford a Kent. Ya buga wasanni da yawa don Kent's Second XI a 1974, kuma a farkon Yuni 1975 ya bayyana a cikin ƙaramin wasan motsa jiki don gasar cin kofin duniya ta 1975
a kan Pakistan wanda ya dauki wickets na Sadiq Mohammad da Zaheer Abbas. Koyaya, farkon wasan sa na farko ya kasance 'yan kwanaki bayan haka lokacin da ya bayyana a wasan John Player League da Hampshire; ya ɗauki wicket na John Rice. Bayan 'yan kwanaki har yanzu, ya fara buga wasan farko a wasan farko da Worcestershire, inda ya ci Basil D'Oliveira.