Nicholas John Collison (born October 26, 1980) is an American former professional basketball player who is a special assistant for the Oklahoma City Thunder of the National Basketball Association (NBA). He spent his entire career with the Seattle SuperSonics, later renamed the Thunder in 2008. Collison was drafted by the SuperSonics in the first round of the 2003 NBA draft and retired as a member of the Thunder in 2018. As a college player, he went to two Final Fours with the Kansas Jayhawks. Early life and high school career Collison was born in Orange City, Iowa and grew up in Fort Dodge and Iowa Falls. He attended Iowa Falls High School and was a McDonald's All-American in 1999. College career Teaming with fellow Iowan Kirk Hinrich to form one of the best duos in college basketball, Collison helped the University of Kansas reach two consecutive Final Fours (2002 and 2003). Collison finished his college career as the leading scorer in the history of the Big 12 Conference (a mark since surpassed). In 2003, the Jayhawks lost to Carmelo Anthony and the Syracuse Orange in the National Championship game, 81–78. Collison also played for the United States national team at the 2002 FIBA World Championship. Collison's No. 4 jersey was retired by the Jayhawks on November 25, 2003 during halftime of the Kansas-Michigan State game in recognition of his achievements over his four-year career (2002–03 Player of the Year, consensus first-team All-America, Big 12 Player of the Year). Professional career Seattle SuperSonics / Oklahoma City Thunder (2003–2018) Draft year injury and relocation (2003–2008) Collison was selected by the Seattle SuperSonics with the 12th overall pick in the 2003 NBA draft, but missed the 2003–04 season with injuries to both shoulders. He made his NBA debut on November 3, 2004, recording two points, five rebounds and two assists in a 114–84 loss to the Los Angeles Clippers. Collison appeared in all 82 games in the 2004-05 season, averaging 5.6 points and 4.6 rebounds in 17.0 minutes per game. He played in all 82 games for a second time during the 2006–07 season. On January 9, 2007, Collison had a career-best game with 29 points and 21 rebounds in a 113–102 loss to the Phoenix Suns. In 2008, the franchise relocated to Oklahoma City and rebranded as the Thunder. Finals appearance and later years (2008–2018) On December 19, 2010, Collison scored a