 Mason akatanga basa rake nePlymouth Argyle, kirabhu yekumusha kwake, kwaakaita mitambo makumi mashanu nematatu yeFootball League. Paaive kuCardiff akarova mu2012 Football League Cup Finaluye akakwidziridzwa kusvika kumwero wepamusoro-soro wenhabvu yeChirungu. Mason akatamba nhabvu yevechidiki yepasi rose yeRepublic of Ireland nekuda kwaamai vake, avo vakazvarwa muCounty Mayo. 