High tackles, aerial challenges, players piling into a fracas off the bench... The final round of scintillating Nations Championship and Nations Cup matches certainly weren't without drama, and Nigel Owens and Jamie Roberts are here to dissect all the curious and challenging incidents from the 12 matches across the weekend. #Rugby #Review #Referee #WhistleWatch #NationsChampionship #NationsCup #England #Wales #Scotland #Ireland #Italy #France #NewZealand #Argentina #Australia #Japan #Fiji #SouthAfrica #AllBlacks #Springboks SUBSCRIBE to World Rugby on YouTube! Keep up-to-date on all things rugby by following World Rugby on social media @WorldRugby