Mezue ahịrịokwu na-esonụ: N'afọ ikpeazụ nke nkwekọrịta ya na oge 2013-14, ndị Islanders gbanwere MacDonald na Philadelphia Flyers na mgbanwe maka obere leaguer Matt Mangene, nke abụọ na-ahọrọ na
2015 NHL Entry Draft, na nke atọ-gburugburu họrọ na 2014 NHL Entry Draft na March 4, 2014. Ndị Flyers bịanyere aka na MacDonald maka afọ isii, $30 nde nkwekọrịta nkwekọrịta na Eprel 15. N'October 5, 2015, ndị Flyers tinyere MacDonald na mgbaghara. N'abalị isii n'ọnwa Ọktoba n'afọ 2015, MacDonald kpochapụrụ ihe ndị a na-eme ma kenye ya na ndị otu Flyers 'AHL, ndị Lehigh Valley Phantoms.