Kammala jumla mai zuwa: A farkon kakar 2018, Moreland ya raba lokaci tare da Hanley Ramírez a matsayin dan wasan farko na Boston, har sai an sanya Ramírez don aiki a ranar 25 ga Mayu. A ranar 8 ga Yuli, an kira Moreland zuwa wasan 2018 MLB All-Star Game a matsayin mai ajiyar farko na Amurka. A wannan lokacin a kakar wasa, Moreland yana da layin slash na.288/.358/.525 tare da gidaje 11 da 43 RBIs a wasanni 71 da aka buga. Bayan hutun All Star, Moreland ya yi gwagwarmaya da kai hari, yana buga.191 tare da gidaje 4 a cikin wasanni 47. Gabaɗaya, Moreland ya gama buga.245 tare da gida 15 da 68 RBIs. A cikin postseason, Moreland ya bayyana a wasanni 11, yana buga 5-for-17 (.294) kamar yadda Red Sox ya ci gaba da lashe gasar.
Gasar cin Kofin Duniya a kan Los Angeles Dodgers.