Sam Warburton knows Wales’s Six Nations dirty work is still to be done

The Wales captain intends to up his game as he adjusts to playing on the blindside and his team seeks back-row balance against FrancePlaying at blindside flanker lacks six appeal for Sam Warburton. The Wales captain is too much of a team man to say so but, since moving from openside at the start of the Six Nations, his turnover rate is down and the balance the team have had in the back row for the last five years has been compromised.The established unit of Warburton, Dan Lydiate and Taulupe Faletau, Lions Test starters all, was broken up for the trip to Dublin earlier this month with the firs…