ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti fˈoːɹ, dˈeɪvɪs tˈɜːnd pɹəfˈɛʃənəl ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti fˈoːɹ ænd spˈɛnt hɪz ɹˈɛɡjʊlɚ kɚɹˈɪɹ plˈeɪɪŋ mˈeɪnli ɔnðə pˌiːdʒˌiːˈeɪ tˈʊɹ ʌv ˌɔːstɹɐlˈeɪʒə ænd ðə jˌʊɹɹəpˈiən tˈʊɹ.
In 1974, Davis turned professional in 1974 and spent his regular career playing mainly on the PGA Tour of Australasia and the European Tour.