I te tau 2018, ka tiimata a Herbert ki te purei i te Haerere Pakeha ma te kore utu a te kaitautoko, ka mutu i te 47th i te Whakataetae ki Dubai ka mutu te tau i roto i te 100 o te ao. I eke ia ki te tuarua i te Portugal Masters a ko ia te tuatoru i nga wa e toru tae atu ki te Sky Sports British Masters. Ko te hua pai i te SMBC Singapore Open i whakawhiwhia ki a ia te urunga ki te 2018 Open Championship i reira i tapahia ai ia. I tohu hoki ia mo te US Open 2018
engari i ngaro i te tapahi.