TOKYO (AP) — In more than two years as an All Black, Jordie Barrett has never played flyhalf. New Zealand coach Steve Hansen asked him Friday to start there against Namibia in their Rugby World Cup pool match on Sunday. Barrett answered, “Yes,” and grinned. That was what Hansen wanted to hear and see. And so Barrett, the younger brother of star playmaker Beauden Barrett, will run out in the No. 10 jersey at Tokyo Stadium as the All Blacks look to confirm a quarterfinals spot. In another surprise, his backup is scrumhalf TJ Perenara, who has never played flyhalf for New Zealand either. With only a four-day turnaround after beating Canada 63-0 on Wednesday in Oita, New Zealand wanted to field as many fresh players as possible. So there were 13 changes to the starting lineup. Brodie Retallick, a former world player of the year, will make his first appearance in 10 weeks, since he dislocated his left shoulder against South Africa in July. He’s delighted to play a week earlier than expected, and resume his lock partnership with Sam Whitelock, who has the captaincy from the rested Kieran Read. Jordie Barrett, who played a full game against Canada…