Tadhg Furlong: The 23-year-old will be making his full Test debut against South Africa in the lions’ den that is Ellis Park, Johannesburg, and in direct confrontation with Tandai Mtawarira. Photograph: Billy Stickland/Inpho

For several of this Irish match- day squad, it is the biggest game of their fledgling careers to date, and Tadhg Furlong falls into this category. T(...)