Lance Thomas has been ruled out of Friday's mathcup against the Grizzlies with a concussion.

Thomas has been ruled out of Friday's mathcup against the Grizzlies with a concussion, Chris Herring of The Wall Street Journal reports.

Analysis:

Thomas is dealing with mild concussions symptoms and will spend Friday night on the bench. The severity of the symptoms is relatively unknown, with Sunday being his next opportunity to return to the court. Look for Derrick Williams to see more minutes off the bench as a result.