Windsor acquired the 18 - year - old Day late Tuesday in a deal with the Mississauga Steelheads .
He will make his debut with the Spitfires on Thursday against the Kingston Frontenacs at the WFCU Centre .
Windsor acquired the 18 - year - old Day late Tuesday in a deal with the Mississauga Steelheads and he will make his debut with the Spitfires on Thursday against the Kingston Frontenacs at the WFCU Centre .