Kammala jumla mai zuwa: A cikin 2018, Herbert ya fara wasa a Turai Tafiya ta hanyar keɓancewar masu tallafawa, ya gama na 47 a Gasar zuwa Dubai kuma ya ƙare shekara a cikin manyan 100 na duniya. Ya kasance na biyu a Portugal Masters kuma ya kasance na uku sau uku ciki har da Sky Sports British Masters. Kyakkyawan sakamako a cikin SMBC Singapore Open ya ba shi damar shiga cikin Open Championship na 2018 inda ya yanke. Ya kuma cancanci zuwa
2018 US Open amma ya rasa yanke.