All Blacks retain Rugby Championship

The All Blacks wrapped up their third successive Rugby Championship crown with a comprehensive 34-13 win over Argentina in La Plata.



First-half tries to Ben Smith and Israel Dagg gave the All Blacks a 20-6 half-time lead, then Julian Savea and replacement scrum-half TJ Perenara crossed in the second spell to secure the bonus-point win at Estadio Ciudad de La Plata.



While Argentina looked good with the ball in hand, poor discipline in the tackle meant they conceded possession too easily and the All Blacks made them pay.



Beauden Barrett, in at fly-half for the errant Aaron Cruden, exti…