Rugby World Cup 2015: Irish will not underestimate Pumas - Best

Ireland hooker Rory Best says Argentina will be no pushovers in the World Cup quarter-finals after Sunday's win over France set up a meeting with the Pumas.

Holders and tournament favourites New Zealand would have been Ireland's next opponents if they had lost to the French in Cardiff.

Best also discussed the impact of injuries to key Irish duo Paul O'Connell and Jonathan Sexton at the Millennium Stadium.