O’Callaghan to take on England with Baa-Baas

He joins Ulster’s Roger Wilson to complete the Irish representation on a squad that includes France fly-half Francois Trinh-Duc, South Africa second row Juandre Kruger and Argentina full-back Juan Martin Hernandez.
Nine nations are represented, with New Zealand boasting six players in the squad, while 19 men are set to wear the famous black and white hooped shirt for the first time in an experienced group that boasts a combined 730 international caps.