In 2007, after 12 seasons with the Timberwolves, Garnett joined the Boston Celtics in a blockbuster trade. In his first year with the Celtics, he helped lead them to the NBA championship, while also finishing in third place for the MVP award. In 2013, Garnett was included in a second headline trade that sent him to the Brooklyn Nets with longtime Celtic Paul Pierce. In 2015, Garnett was traded back to Minnesota. He announced his retirement from professional basketball in September 2016. Garnett made his feature film debut, playing a fictionalized version of himself, in the 2019 film "Uncut Gems".