Dee ihe na-aga n'ihu maka paragraf a - N'oge 2016-17 oge, Rathbone kewara oge ya n'etiti Whalers, Dexter, na Youngstown Phantoms na USHL. Ọ gbara egwuregwu anọ na ndị Phantoms ma dekọọ otu enyemaka. N'oge afọ ikpeazụ ya na Dexter, a họpụtara Rathbone onye isi ma bụrụ onye nke 57 n'ozuzu ya site na NHL Central Scouting Bureau na ọkwa ikpeazụ ha nke ndị na-agba ọsọ na North America. Tupu ọ gụchaa akwụkwọ, a họpụtara Rathbone na 95th n'ozuzu na 2017 NHL Entry Draft
site na Vancouver Canucks.