The All Blacks produced a dominant second half to thrash Namibia 71-9 at the Rugby World Cup on Sunday.

After a sloppy start, New Zealand improved after the break in Chofu on their way to a third win in as many games in Pool B.

Anton Lienert-Brown, Sevu Reece and Ben Smith crossed for two tries apiece as the All Blacks went over 11 times.

The two-time defending champions – who had Nepo Laulala and Ofa Tu’ungafasi sin-binned during their win – scored seven tries in the second half, a much-needed response after their struggles in the opening 40 minutes.

Namibia made a bright start and Damian Stevens kicked them into a shock early lead.

The All Blacks responded immediately as Reece easily took a Jordie Barrett kick to the right wing before scoring.

New Zealand were sloppy during the first half, making numerous errors, but Lienert-Brown stretched their lead in the 20th minute when he powered to the line after a pass inside from Ardie Savea.

A couple of Stevens penalties followed for Namibia before Nepo Laulala was sent to the sin bin for a high shot on Lesley Klim.

But the All Blacks struck twice more before half-time through Angus Ta’avao and Smith, before Joe Moody powered over to make it 29-9 shortly after the break.

New Zealand were finally starting to find their rhythm and Lienert-Brown went over again on the right, Barrett throwing the final pass after his initial break.

Reece went over for his second try and the All Blacks’ seventh before captain Sam Whitelock crashed over from close range with 25 minutes remaining.

A brilliant pass from Lienert-Brown helped set up Smith for the full-back to bag a double before New Zealand received another yellow card for a high tackle, this time to Tu’ungafasi.

Barrett scored a deserved try late on as he took his individual tally to 21 points before TJ Perenara capped off the victory with a superb finish in the corner after a behind-the-back pass from Brad Weber.

Retallick’s return gives All Blacks another boost

Brodie Retallick made his first appearance since dislocating his shoulder in July to give the All Blacks another boost. The lock got through half an hour before being replaced, New Zealand surely managing his minutes as he regains fitness.

Devastating second half what New Zealand needed

The All Blacks were well below their best in the first half, their errors helping keep Namibia in the game. But they delivered after the break, improved handling, speed and their physicality seeing them score seven second-half tries to produce a performance closer to the one most were expecting.

What’s next?

The All Blacks wrap up their pool stage against Italy on Saturday, while Namibia face Canada a day later.