In the group stage, he was notable for two tries in a 44–22 victory over Samoa, and two more in the final group match against Tonga, which secured England's place in the quarter-finals, where he impressed against Australia, managing to prevent a possible try. Sackey played in the 2007 Rugby World Cup Final. Sackey also played in the 2008 Six Nations Championship and performed well, scoring 3 tries.