ITM/Mitre 10 Cup Hore debuted for Otago in 1998, and in 2001 shifted to Taranaki; in 2014 Hore made his debut for Southland. In 2016 he made a comeback and helped Otago in the Mitre 10 Cup final.
Super Rugby Hore made his Super Rugby debut for the Crusaders in 2001. In 2002 he shifted to the Hurricanes, with whom he made over 100 appearances. In 2011 he was controversially released from the Hurricanes by coach
Mark Hammett and joined the
Highlanders in
2012. He was named Super Rugby Player of the Year and received the Kelvin Tremain New Zealand rugby player of the year in 2008.
International Hore retired following the 2013 season. In 2011 he was selected for the
All Blacks 2011 Rugby World Cup squad. In the final pool match of the tournament, he was selected to captain the side against Canada when both
Richie McCaw and
Dan Carter were injured and unable to play. During the
All Blacks end-of-year European Tour, controversy arose during the
Wales versus New Zealand test match on 24 November 2012 after Hore tackled the Welsh lock
Bradley Davies across the head off the ball. The offence - a red card one - was missed by the match referee, Hore faced the judiciary and received an end of season suspension. This incident resulted in Davies being taken off the field and taken to a hospital for further
concussion assessment. He was suspended for 5 weeks following the incident. Hore retired after the 2013 match against Ireland, in this match the All Blacks succeeded going an entire calendar year without being defeated, a feat which hasn't been managed since the dawn of the professional era. Although in 2014 he was selected by Dean Ryan to play in the Barbarians squad. On returning to farming, Hore continued to play club-level rugby, serving as player–coach for the local Maniototo Maggots, later moving on to coach junior rugby for his son's team. == Legal issues ==