article_snippet: Sean O'Brien Sean O'Brien grabbed two tries as Ireland thumped Scotland 40-10 at Murrayfield to claim back-to-back Six Nations titles for the first time since 1949.
article_snippet: Sean O'Brien of Ireland celebrates with the Six Nations trophy after the 40-10 win over Scotland on Saturday .
article_snippet: Sean O'Brien of Ireland goes over to score the second try in a 40-10 win at Murrayfield .
article_snippet: Sean O'Brien of Ireland scores a try during the 2015 RBS Six Nations match at Murrayfield on Saturday . '
article_snippet: Captain Paul O'Connell holds aloft the Six Nations trophy after Ireland were crowned champions . '
article_snippet: The Irish squad celebrate The Irish squad Six Nations success as fireworks are set off from within Murrayfield .
highlights_snippet: Ireland crowned 2015 Six Nations champions after dramatic final day .
  