Isaia Toeava will undergo surgery on a ruptured rotator cuff in his left shoulder, ruling him out for six months.
Ireland will likely have to play three Six Nations matches without Iain Henderson after he underwent thumb surgery.
Joe Schmidt will step away from coaching after the 2019 Rugby World Cup, but Ireland's Rory Best thinks he could return for the Lions.
Rugby Australia (RA) appointed Scott Johnson as director of rugby as coach Michael Cheika survived.