Mitchell grew up in Ans, Belgium.[1] At age 17, he moved to France for a period of a few months, where he played thirteen games in the under-18 team of Nanterre 92, along with Victor Wembanyama, among other teammates.[2] He began playing for Limburg United's youth team in 2019 and made two appearances with the senior team in the Pro Basketball League during the 2019–20 season.[3]
Mitchell played solely with the senior team during the 2020–21 season while maintaining his amateur status. After the season, he committed to playing college basketball for UC Santa Barbara.[4]
College career
Mitchell played in 27 games during his freshman season and was named the Big West Conference Freshman of the Year and second team All-Big West after averaging 11.6 points, 3.7 assists, and 2.2 rebounds per game.[5] He averaged 16.3 points, 5.1 assists, and 2.7 rebounds per game and was named the Big West Player of the Year during his sophomore season.[6]
Professional career
On 27 June 2024, Mitchell was selected with the 38th overall pick by the New York Knicks in the 2024 NBA Draft; however, immediately on draft night, he was traded to the Oklahoma City Thunder in exchange for the 40th overall pick in the 2024 draft and cash.[7] On 6 July, Mitchell signed a two-way contract with the Thunder.[8] During his first regular season, he would post a career-high 26 points against the Indiana Pacers on October 23rd. [9]
On 10 January 2025, Mitchell was ruled out for 10-to-12 weeks after undergoing surgery to repair a turf toe sprain in the great toe on his right foot.[10] On 6 February, the Thunder officially converted Mitchell to a standard contract, signing him to a two-year contract.[11] On 22 June, the Thunder won the NBA title, making Mitchell the second Belgian NBA champion, after D. J. Mbenga. On 30 June, Mitchell re-signed with the Thunder on a three-year, $9 million contract.[12] He delivered a playoff-high 28 points on May 11 against the Los Angeles Lakers in the Western Conference Semi-Finals.[13]