Ya koma Spitfires don kakar 1983/84, kuma ya zira kwallaye tara da maki 57 a wasanni 68 don jagorantar dukkan masu kare Windsor. Gill ya kuma zira kwallaye 184 na hukuncin kisa. A cikin wasanni uku na wasan kwaikwayo, Gill yana da burin da maki biyu. Bayan kakar wasa ta bana, Toronto Maple Leafs ne suka zaba shi a zagaye na biyu, na 25 a cikin duka.
Zaben shiga NHL na shekarar 1984.