Rugby: 2011 World Cup winner Piri Weepu says Ireland, Wales and England threaten All Blacks three-peat hopes

March 21, 2019 12:11 AMSINGAPORE - Ireland, Wales and England are New Zealand's biggest challengers for the Rugby World Cup title, while Scotland "could throw a spanner in the works", and France and Argentina are underdogs for the Sept 20-Nov 2 event in Japan.