Michael Cheika was critical of the Cian Healy challenge that broke Will Genia's arm.
After guiding Ireland to their first away win over Australia for almost 40 years, Joe Schmidt was reluctant to celebrate.
New Zealand boss Steve Hansen suggested a report system after another contentious decision overshadowed the second Test against France.
Australia and Ireland are tied at one win apiece heading into the deciding Test in Sydney next weekend.
A yellow card was France's undoing in the first Test with New Zealand, and Benjamin Fall's red card proved costly in the second.
A pair of late Tommaso Allan penalties proved vital for Italy as, unlike in the first Test, Japan's second-half surge could not earn a win.
England continue to believe in themselves ahead of their second Test against South Africa, according to captain Owen Farrell.
Wayne Pivac has been tipped to swap the Scarlets for Wales and Sam Warburton would not be surprised to see him on the international stage.
Impressive displays against South Africa and Argentina have got Sam Warburton dreaming of being part of an immense Wales team.
Rassie Erasmus, in 10 days, did more to change the course of Springbok rugby history than any coach has done since unification in 1992. It is...