All Blacks pound Pumas in 57-22 Rugby Championship revival

New Zealand run in eight tries on their way to convincing victoryHosts’ bench comes up big to put Argentina away in second halfFly-half Beauden Barrett grabbed the game by the scruff of the neck just when he needed to as the All Blacks scored three tries in 10 minutes in the second half to beat a combative Argentina 57-22 in their Rugby Championship clash in Hamilton.Barrett, who scored a first-half try and kicked six conversions, broke the game open just as the Pumas looked like they could cause a major upset while trailing 24-22 with about 30 minutes remaining. Coach Steve Hansen, however, t…