Sam Williams will captain Wales for a record 34th match on Saturday . Former Ospreys No 8 Ryan Jones previously held the position . saints are still in the running for the championship despite their round one defeat to England in Cardiff . Jonathan Sexton cited as key player to Ireland 's cause on Saturday . Shane Williams believes ben Williams should retain his place in the side .
Sam Warburton will captain Wales for a record 34th time on Saturday . Former Ospreys No 8 Ryan Jones previously held the record . Wales are still in the running for the championship despite their round one loss to England in Cardiff . Jonathan Sexton cited as key player to Ireland 's cause on Saturday . Shane Williams believes Liam Williams should keep his place in the side .