Kammala wannan jumla: A Masters na 2016, Westwood ya gama da Jordan Spieth tare da Jordan Spieth, sau uku a bayan Danny Willett. Ya kasance dan lokaci ne kawai ya jagoranci jagoranci a lokacin zagaye na karshe bayan wani gaggafa a kan par biyar 15th, amma ya buge 16th don kawo karshen damarsa. Wannan shi ne karo na uku da Westwood ya gama a matsayin mai gudu a babban gasar. A cikin
2016 US Open, Westwood ya sake kasancewa kusa da saman jagorancin bayan zagaye na farko, amma yana wasa a cikin rukuni na karshe a zagaye na karshe ya fadi da mummunan harbi a zagaye na 80 (+10) don kammala T32.