Boston's Tristan Thompson is out tonight in health and safety protocol, team says.

Source: Adrian Wojnarowski of ESPN (Twitter)

ANALYSIS: Celtics head coach Brad Stevens said he found out Thompson was going to be out earlier Tuesday morning. Thompson, in his first season with the Celtics, is averaging 7.9 points and 8.4 rebounds in 22.5 minutes per game. 

The Tristan Thompson signing hasn't exactly played out how the C's thought it would, and as a result, Thompson has found his name tied to trade rumors as the deadline approaches.