 Saili was a junior All Black in 2007 and 2008.In 2007 he was a member of the team which won the International Rugby Board's junior world championship (Under 19), defeating South Africa in the final (31-7).In 2008 he was a member of the New Zealand team which won the International Rugby Board's junior world championship (the inaugural under-20 tournament), pulling off a crushing 38–3 win (four tries to none) over England in Swansea, Wales.