Whakakihia te rerenga e whai ake nei: I te marama o Mei 2015, i whakaingoatia a Marshall ki te kapa Emerging Ireland mo te
Ko te 2015 Tbilisi Cup. I mua i te whakataetae, ko Marshall tetahi waahanga o te Ireland XV i whakaeke i nga Barbarians i Thomond Park. I whakaatuhia ia hei whakakapi mo Dan Tuohy, engari i te taha ngaro i te wa i patua ai a Ireland 22<unk>21. I tiimata a Marshall i te keemu whakatuwhera o te Tbilisi ki Emerging Italy, i haere mai i te peeke i te tukinga e whai ake nei ki Uruguay ka tiimata te keemu whakamutunga ki nga kaihautu o Georgia i te wa i wikitoria ai a Ireland i te whakataetae mo te wa tuatahi.