article_snippet: Wayne Barnes was called in to take charge of the match after Steve Walsh was ruled out and Warren Gatland said Wales were delighted to have the Englishman on the whistle.
article_snippet: ’ assistant coach Richie Murphy also confirmed Jamie Heaslip is good to go, stating the No 8 took a full part in Tuesday’s training after recovering from the three vertebrae fractured against France, while the assistant also clarified ’s concussion return-to-play protocol confusion surrounding Sean O’Brien and Jared Payne, who suffered bangs against England.
article_snippet: Sean O'Brien (right) makes a tackle in the win over England, but is not yet back in contact training .
article_snippet: Jared Payne (left) is also still out of full training, but should return to contact later in the week .
highlights_snippet: Ireland fly half has overcome Ireland hamstring injury .
  
highlights_snippet: But Racing Metro star returned to training ahead of Saturday's match .