Nick Mallett has flagged a specific concern heading into the Rugby's Greatest Rivalry series: the All Blacks' tendency to bend the laws when defending against maul tries. Mallett wants referees to be firm and unambiguous in policing it — implying that if officials let things slide, New Zealand will exploit the grey areas. The piece is worth reading for his breakdown of exactly how the All Blacks operate in that space and what it means for Bok attack.