his retirement from all forms of cricket on 1 April 2015. He announced his retirement a day after Daniel Vettori had announced his retirement from all forms of cricket. International career He made his ODI debut against Pakistan on 15 April 2001 against Pakistan during the 2000–01 ARY Gold Cup and took his first ODI wicket on his debut by dismissing Imran Nazir. He delivered a match winning spell in his second ODI match which also eventually came during the ARY Gold Cup Tri-nation series where he picked up 3/30 against Sri Lanka and shared the man of the Match award along with Mathew Sinclair. He made his maiden ICC Champions Trophy appearance during the 2002 ICC Champions Trophy campaign which was held in Sri Lanka. He ended the 2002 Champions Trophy tournament with three wickets in two matches. He made his debut World Cup appearance at the 2003 Cricket World Cup. However, he featured in just one group stage match at the 2003 World Cup and went wicketless. He made his test debut against England on 10 June 2004, three years after his ODI debut. His test debut came at Trent Bridge only after the injury concerns to Shane Bond and Daryl Tuffey. However, he picked up a side strain on his test debut where he only managed to bowl six overs in England's first innings and couldn't bowl in the second innings. He was subsequently ruled out of the remainder of the test series. He was part of the world's first T20I match which happened on 17 February 2005 between New Zealand and Australia. Although New Zealand lost the inaugural T20I by 44 runs, Mills made an impact picking up 3/44 on his T20I debut after opening the bowling with Tuffey. He made his mark in international cricket as a lead pacer during the 2006 ICC Champions Trophy which marked a turning point in his career where he finished the tournament as the leading wicket-taker for Kiwis with 10 wickets in just four matches. Having been injured in Australia in February 2007, Mills was forced to withdraw from the 2007 Cricket World Cup. He was also not selected for 2007 ICC World Twenty20, which was the inaugural edition of the ICC Men's T20 World Cup. He was initially out for at least 12 months but after an operation on a patella tendon and a winter of rehabilitation, he