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Johannesburg , South Africa - 16 June 2016; Jack McGrath of Ireland during squad training at St David Marist School in Johannesburg, South Africa. (Photo By Brendan Moran/Sportsfile via Getty Images)

Johannesburg , South Africa - 16 June 2016; Jack McGrath of Ireland during squad training at St David Marist School in Johannesburg, South Africa. (Photo By Brendan Moran/Sportsfile via Getty Images)