Ireland thrash Samoa to ease into last eight despite Bundee Aki red card

• Sexton scores two tries as Ireland earn requisite bonus point• Centre dismissed for high tackle on Seuteni in first halfIreland played with 14 men for 50 minutes but still eased into the quarter-finals of the Rugby World Cup with a seven try, 47-5 thrashing of Samoa in their final Pool A match on Saturday.Centre Bundee Aki became the seventh player to be shown a red card at the tournament when he was sent off for a high tackle on Samoa fly-half Ulupano Seuteni in the 29th minute but Ireland were already 21-5 up at that stage. Related: Ireland v Samoa: Rugby World Cup 2019 – live! Continue r…