Whakaotihia te rerenga e whai ake nei: I te tau 2015, ko ia te tuawhitu i te Shriners Hospitals for Children Open, tuarua i te Sony Open i Hawaii, tekau i te Shell Houston Open. I te marama o Hurae, i wikitoria ia i te Whakataetae Barbasol tuatahi i Alabama, he huihuinga rereke i te taha o te Whakataetae Tuwhera, mo tana wikitoria tuatahi i roto i nga tau e toru. I te
2016 US Open I Oakmont, ka mutu a Piercy i te wa tuarua, ko tana mutunga nui rawa atu tae noa ki tenei ra. Kaore i taea e Piercy te tiaki i tana taitara i te 2016 na te mea i uru ia ki te 2016 Open Championship.