Ireland are Wales' biggest rivals

Former Wales winger Shane Williams believes Ireland have usurped England as his nation's biggest rivals ahead of this Saturday's Six Nations game in Cardiff.

Grand Slam-chasing Ireland have a two-point lead over England and Wales in the table with two rounds of matches to play.

Williams, who retired in November 2014, says beating Ireland is a "big scalp" while former Ireland winger Denis Hickie thinks the fixture always has "good bite".

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Watch live coverage of Wales v Ireland on BBC One and this website from 14:00 GMT on Saturday 14 March, plus relive the best moments of the Six Nations on BBC Two from 19:00 GMT on Sunday 22 March.

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