He won an NBA championship with the Cavaliers in 2016 and has also played for the Boston Celtics, Sacramento Kings, Indiana Pacers, Chicago Bulls, and Los Angeles Lakers.

[2] Thompson spent his sophomore and half his junior year at St. Benedict's, making an immediate impact and showing flashes of brilliance.

[3] In his short time there, he shot through the ranks to super-stardom, becoming the top recruit in the nation entering his junior season.

[4] The nation's top basketball programs heavily sought Thompson, who made the first verbal commitment of the class of 2010 to Rick Barnes and the Texas Longhorns.

[5] Twenty-one games into his junior year, the relationship between Thompson and then-St. Benedict's coach Dan Hurley hit a rough patch.

[6] Over the next few days he made it known that he was planning to leave, resulting in a barrage of calls from top prep schools throughout North America trying to acquire his services.

He continued to round and polish his skills in his senior year in preparation for college and held fast to his commitment to the University of Texas, officially signing his letter of intent on November 11, 2009.

[10] After their senior year, Thompson and Joseph both committed to Texas and were the fourth and fifth Canadians to be named McDonald's All-Americans, after Bill Wennington (1981), Barry Bekkedam (1986) and Olu Famutimi (2003).

[12] Thompson averaged 13.1 points and 7.8 rebounds per game for the Texas Longhorns in 2010–11 as he won the team's Most Valuable Player award, as voted on by his teammates.

[14] Thompson told media after the NCAA tournament that he planned to return to Texas for his sophomore season but changed his mind.

At the time, he was the highest drafted Canadian-born player in NBA history,[17] that was until Anthony Bennett and Andrew Wiggins were selected as the first overall pick in 2013 and 2014, respectively.

[32] On March 26, in a win over the New York Knicks, Thompson tied Jim Chones' franchise record by appearing in his 361st consecutive game for the Cavaliers.

There they made NBA history by coming back from a 3–1 deficit against the Golden State Warriors to win the series in seven games, ending a 52-year championship drought in Cleveland.

[35][36] On December 26, 2016, in a loss to the Detroit Pistons, Thompson became the first player in franchise history to play in 400 consecutive regular-season games.

[38] He missed four games with the injury before returning to action in Cleveland's regular-season finale on April 12 against the Toronto Raptors.

[40][41] On November 2, 2017, Thompson was ruled out for three to four weeks with a left calf strain that he suffered the previous night against the Indiana Pacers.

[49] On January 9, 2020, Thompson recorded a double-double with a career-high 35 points, 14 rebounds, three assists, three blocks and a steal in a 115–112 overtime win over the Detroit Pistons.

[53] On February 8, 2022, Thompson, Tyrese Haliburton, and Buddy Hield were traded to the Indiana Pacers in exchange for Justin Holiday, Jeremy Lamb, Domantas Sabonis, and a 2023 second-round pick.

[57] On April 9, 2023, Thompson signed with the Los Angeles Lakers,[58] reuniting with former Cavs teammate LeBron James.

They initially began dating in 2016 when he allegedly cheated on his pregnant ex-girlfriend Jordan Craig with Kardashian, according to court documents.

[76][77] On April 12, 2018, Khloé gave birth to their daughter, True, amidst controversy after Thompson was found to have cheated on Kardashian during the pregnancy.

[82][83] Thompson and Kardashian quarantined together during the COVID-19 pandemic, and subsequently resumed their relationship from summer 2020 to June 2021,[84] as well as October to December 2021.

[87] In December 2021, Maralee Nichols gave birth to Thompson's son Theo as a result of an affair they had while he was dating Kardashian.