Justin Marshall - former All Blacks halfback and now renowned rugby commentator - joins Martin Devlin on It's Only Sport, recapping the opening test between New Zealand and England in Dunedin, and looking ahead to the second clash at Auckland's Eden Park. The All Blacks claimed the first match 16-15 in a scrappy performance, and the assumption from many in New Zealand is they'll be a much improved outfit this coming weekend. But could the English score themselves a first win on Kiwi soil in 21 years? Marshall and Devlin discuss areas the All Blacks can improve on, the England rush defence that New Zealand should have been better prepared for, and more.