Mezue ahịrịokwu na-esonụ: Na 23 February 2018, Penguins gbanwere Gustavsson na Ottawa Senators (yana Ian Cole, a
Nhọrọ nke mbụ nke 2018, na nke atọ nke 2019) na mgbanwe maka Derick Brassard. Na 23 Machị 2018, e kenyere Gustavsson na ngalaba AHL nke Senators, Belleville Senators, mgbe emechara oge SHL.