Tuhia tētahi tohutoro mō tēnei wāhanga - I kōwhiria i te rauna tuawhitu o te Tauwhāinga Whakauru 2008
(188th overall) na te Toronto Maple Leafs, ka timata ia i tana NHL i te Poutu-te-rangi 11, 2015, ka tuhi i te 1 tohu i te wikitoria 4-3 Toronto i runga i te Buffalo Sabres. I whakaingoatia hoki ia hei whetu tuatoru o te keemu ka mutu te wa me te Toronto Maple Leafs, e takaro ana i nga keemu 12. I mau a MacWilliam i te nama 57 i a ia e mahi ana me nga Maple Leafs, ko ia te kaitakaro tuatahi i roto i te hitori o te raihana ki te mau i te nama.