Tristan Trevor James Thompson (born March 13, 1991) is a Canadian-American professional basketball player for the Chicago Bulls of the National Basketball Association (NBA).

He has also played in the NBA for the Boston Celtics, Sacramento Kings, and Indiana Pacers.

Thompson played one season of college basketball for the Texas Longhorns before being drafted fourth overall by the Cavaliers in the 2011 NBA draft

He has also played for the Canadian national team. Thompson won an NBA championship with the Cavaliers in 2016.

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

Khloé Kardashian and Tristan Thompson's surrogate was already pregnant with their baby when the NBA star's cheating scandal surfaced in December, a source tells PEOPLE.

"We can confirm True will have a sibling who was conceived in November. Khloé is incredibly grateful to the extraordinary surrogate for such a beautiful blessing. 

We'd like to ask for kindness and privacy so that Khloé can focus on her family," a representative for Kardashian, 38, told PEOPLE on Wednesday.

The source tells PEOPLE that despite the pair expecting a sibling for 4-year-old daughter True, "Khloé and Tristan are not back together and have not spoken since December outside of co-parenting matters."

In January, Thompson, 31, confirmed he fathered a child with Maralee Nichols, writing in an Instagram Story in part, "I take full responsibility for my actions. Now that paternity has been established I look forward to amicably raising our son."