Sam Warburton says he does not feel any sense of surprise after Wales finally ended their southern hemisphere hoodoo.

“I think physicality sometimes is determined by the will of the person rather than the size.”

Still only 21, Serfontein has already established a reputation as something of a dump truck.

Ireland’s Under-20s ripped up the script on day one of the 2012 Junior World Championship when they delivered a huge upset with a well-deserved win over host country South Africa.