BBCNEWS Sportsday December 8, 2017
After having knee surgery. Warburton was already out of action after undergoing an operation on his neck. He says he made a decision with the Welsh Rugby Union and his club side cardiff blues to take a proactive approach, so hes fully fit when he returns to action. Its expected to take him four to six months to recover. Another player whos likely to miss the tournament is scotland prop wp nel. Hes battling to get back into action after suffering a fractured arm during last Months International with samoa. Nel is expected to miss 12 weeks, so could make the latter part of the six nations. In th...