Kammala jumla mai zuwa: Mantell ya fara buga wasan farko na kasa da kasa a ranar 9 ga Nuwamba 2005 da Ireland a Beeston. Ya kasance memba na tawagar Ingila wanda ya gama na biyar a gasar cin kofin duniya ta maza ta 2006. Ya fafata a gasar cin kofin zakarun Turai na 2010 da 2011, kuma ya kasance wani bangare na tawagar da ta yi nasara a gasar cin kofin zakarun Turai ta 2010.
Gasar EuroHockey ta shekara ta 2009.