Cleveland Cavaliers forward/center Tristan Thompson was suspended on Tuesday (Jan.21) by the NBA for 25 games without pay for violating the league's anti-drug policy, CBS News reports.

Thompson’s suspension will commence on Wednesday (Jan.24) when the Cavaliers take on the Milwaukee Bucks.

The NBA stated that Thompson tested positive for the growth hormone stimulator Ibutamoren and muscle enhancer SARM LGD-4033 which are substances that are prohibited by the league and the World Anti-Doping Agency. According to the U.S. According to the Food and Drug Administration, the drugs are “used to build lean muscle mass and bulk up body mass.” 

In a statement released on X (formerly Twitter), the Cavaliers expressed their disappointment with Thompson in their acceptance of the suspension.

“The Cleveland Cavaliers fully support the NBA/NBAPA Anti-Drug Program, and we are disappointed in the recent news surrounding Tristan Thompson,” the statement read. “His time away from game action will have an impact on our team. We stand behind Tristan and offer our support throughout this suspension period.”

A native of Brampton, Ontario, Thompson played one collegiate season for the University of Texas Longhorns before being drafted fourth overall in the 2011 NBA draft by the Cavaliers. A strong post defender and rebounder, Thompson was a part of the 2016 Cavaliers team that came back from a 3-1 deficit to defeat the Golden State Warriors.

In his 12-year career, he has also played with the Boston Celtics, Sacramento Kings, Indiana Pacers, Chicago Bulls, and Los Angeles Lakers.

The suspension of Thompson has been the latest blow to the Cavaliers who are already without starters Despite the lineup changes, the Cavaliers have won eight straight games and are currently fourth in the Eastern Conference with Donovan Mitchell leading the charge.

This season, Thompson is averaging 3.8 points and 3.9 rebounds in 12.4 minutes per game for the Cavaliers.