Rubuta ci gaba don wannan sakin layi - An kira Cronin a cikin tawagar 'yan wasan Ireland don zagaye na farko na Gasar Cin Kofin Kasashe shida ta 2015 a ranar 1 ga Fabrairu 2015. Ya fito daga benci a kan Italiya a ranar 7 ga Fabrairu, 2015. Cronin ya sami rauni a gwiwa yayin wasan wanda ya buƙaci ƙaramin aikin tiyata. An kira shi a cikin tawagar 'yan wasan Ireland masu tasowa don gasar Rugby ta Duniya ta Tbilisi ta 2015
a ranar 19 ga Mayu, 2015. Cronin ya fara ne a wasan da Uruguay ta yi nasara a ranar 17 ga Yuni, 2015. Ya kuma fara ne a wasan 45<unk>12 da Georgia a ranar 21 ga Yuni 2015, nasarar da ta tabbatar da gasar ga Ireland mai tasowa.