Justin Marshall: Selecting first All Blacks backline of 2023, new SANZAAR-Six Nations competition

All Blacks legend and Sky Sport rugby commentator Justin Marshall joins Martin Devlin on It's Only Sport, predicting what the All Blacks' side to play Argentina this weekend will look like. With Will Jordan and Leicester Fainga'anuku remaining in New Zealand to nurse injuries, Coach Ian Foster and his assistants have some tricky calls to make in the outside backs department. Martin and Justin also discuss the new Six Nations-SANZAAR competition set to be established.