After his college, Thompson was drafted fourth overall in the 2011 NBA draft by the Cleveland Cavaliers, and at the time he was the highest drafted Canadian born player in NBA history. Later, he signed a contract with the Cavaliers on 9th December 2011 and made his professional debut against Toronto Raptors on 26th December 2011.
In 2008, Thompson represented his country and Canada Basketball at the FIBA Americas Under-18 Championship. During the Championship, Canada won the bronze medal leaving Argentina and the United States behind. He also played during 2009 FIBA Under-19 World Championship in Auckland and 2013 FIBA Americas Championship with an average 11.6 points and 10 rebounds per games.
Tristan has earned wide recognition as well as several awards in his career. He was awarded Big 12 All-Freshman Team, Big 12 Freshman of the year, Big 12 All-Defensive Team, Wayman Tisdale Award, United States Basketball Writers Association, NBA All-Rookie Second Team, NBA champion, etc..
Moving towards his personal life, Tristan Thompson dated Jordan Craig, a model, for several months. Thompson's left his ex-girlfriend, Craig when she was pregnant with the first child. In December 2016, she gave birth to son Prince Oliver Thompson.
Currently, Cleveland Cavaliers player Tristan is dating Khloe Kardashian. The couple met at Kevin Hart and Eniko's wedding in August 2016. They are spending much time together and were spotted in several places enjoying their holidays. Khole is pregnant and expecting a baby with her boyfriend, Tristan. The couple hasn't married yet.
NBA player, Tristan Thompson earns a good sum of money in his career. He has played several matches and has won several prestigious awards for his outstanding score and performance. He signed five years contract with the Cavaliers for $82 million. His average annual salary since 2015 is around is $16.4 million. As of 2017, his net worth is estimated to be around $10 million.