 Morris is the son of St. George Dragons, New South Wales and Australian rugby league representative Steve Morris, and twin brother of Josh Morris who also plays for the Roosters in the NRL and was previously a state and national representative.In round 9, Morris made his first grade debut for the St. George Illawarra, playing against the Cronulla-Sutherland Sharks on the wing in a 30–12 loss at Remondis Stadium.In round 15, against the Brisbane Broncos at Suncorp Stadium, Morris scored his first NRL try in the 79th minute off a Mathew Head kick.