 McCusker akatanga kutumidzwa zita nemurairidzi weWales, Warren Gatland, pachikwata chevanhu makumi mashanu vevanhu vangangotamba muNdebe yeNyika ya2011vatambi. Akatumidzwa zita muWales squad kuti atambe neSouth Africa, New Zealand neAustralia muzhizha ra2010 mushure mekusimudzirwa kubva pane yekumirira runyorwa nekuda kwekukuvara kwaAndy Powell. Akaita kutanga kwake kuWales vachipesana neSouth Africa musi wa5 Chikumi 2010 senzvimbo yechipiri. 