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|Full name||Isaac Boss|
|Date of birth||9 April 1980|
|Place of birth||Tokoroa, New Zealand|
|Height||5 ft 10 in (1.78 m)|
|Weight||13 st 12 lb (88 kg)|
|Rugby union career|
Isaac Boss (born 9 April 1980, in Tokoroa, New Zealand) is a New Zealand–born Irish rugby union footballer. His grandmother was born in Glenarm, County Antrim, thereby qualifying him to play for Ireland. His cousin is big Dave McAllister.
He was part of the U19 New Zealand Rugby World Cup team in 1999 although his Irish ancestry means that he is qualified to play rugby for Ireland. He played in New Zealand for the Hautapu Rugby Club in Cambridge and for the Waikato in the National Provincial Championship. He also played for the Hurricanes and the Chiefs in the Super 12, where he was halfback for the Chiefs before the arrival of All Black Byron Kelleher. He made three substitute appearances for Ireland on the 2006 Southern Hemisphere Tour and started against Australia in the Autumn internationals.
Boss arrived in Ireland joining Ulster at the beginning of the 2005/06 season from his native New Zealand where he played for both Waikato (NPC) and the Wellington Hurricanes (Super 12). He was a key part of the 2005/06 Pro 12 winners team. He played 16 matches for Ulster in 2005/06 scoring 3 tries. The next season he played 16 matches scoring 2 tries. He played 15 matches in 2007/08 scoring 3 tries. He scored 3 more tries for Ulster in the next two seasons. A hugely popular player throughout his time at Ravenhill, he amassed over 100 Ulster caps, before transferring to Leinster ahead of the start of the 2010–11 season.
He signed for Leinster Rugby on a four-year deal and had a good first season playing 20 matches scoring 3 tries. In 2011/12 he played 15 matches scoring 2 tries.
Despite being part of the Under-19 New Zealand Rugby World Cup team in 1999, Boss's Irish ancestry means that he is qualified to play rugby for Ireland through his maternal grandmother who was from Glenarm Co. Antrim. Boss's consistency with Ulster in his debut season, the 2005/06 campaign, saw him rewarded with a first Ireland call-up. He made his full international debut for Ireland on their summer tour to New Zealand in June 2006.
Isaac was selected for the Irish senior squad for the 2006/07 Autumn Internationals against South Africa and Australia, based on his performances he was included in that seasons Six Nations squad. During one of his most memorable performances, Isaac scored an historic try against England in the famous Croke Park victory in February 2007.
He returned to his native New Zealand as part of the Ireland squad for the 2011 Rugby World Cup, scoring a try in Ireland's one-sided win over Russia. Ireland were eliminated in the quarter finals by Wales, and Boss made just one appearance.
To date Isaac has 23 Ireland caps and 13 Ireland Wolfhounds caps, 3 of which he gained in the 2009 Churchill Cup. Isaac captained the Ireland ‘A’ side in their opening game against Canada, going on to play in all three games and ultimately win the Cup for the first time.