allblacks.com 20.Aug.2013Getty Images
Romano has torn his right adductor tendon and is not expected to be available until the Air New Zealand European Tour in November, while Cruden has injured the posterior cruciate ligament in his right knee and could be out for two to six weeks. Barrett has a minor calf strain and should be available for the Argentina Test in Hamilton on 7 September.
All Blacks Head Coach Steve Hansen said: "It's obviously hugely disappointing for Luke but he is a strong character and is already planning his rehab with our medical staff. We hopefully will have Beauden ready to prepare for the Argentina Test, while Aaron will start his knee rehabilitation later this week, which will give us a better indication of when he will be back playing.
"It's an exciting time for the replacement players Tom Taylor and Colin Slade and it's also a challenge now for the rest of the team to make their entry into the side as seamless as possible."