Eddie Jones warns England players not to use Cardiff effect as an excuse

• England’s Australian head coach plays down Welsh home advantage• James Haskell says team have learnt from past trips to CardiffPart of Eddie Jones would love to wind up as many Welshmen as possible between now and Saturday. The rest of him is slightly more circumspect because England are not where he would ideally like to be after the opening 80 minutes of this year’s Six Nations. There is obvious room for improvement and delivering motivational team talks to their hosts is not necessarily going to help.So, having previously wondered aloud why English rugby teams have historically struggled …