The Hawks will be without Miles Plumlee until at least Dec. 18, the team announced Monday.
The reserve center began experiencing left knee pain on Dec. 7 and underwent an MRI exam that day. He underwent a non-surgical procedure Monday. According to the team, he will be re-evaluated on Dec. 18 and will be listed as out.
Plumlee would miss at least three games before he is re-evaluated, a road trip to Dallas, Boston and Brooklyn.
Plumlee has appeared in 16 games this season with averages of 4.8 points and 2.3 rebounds in 9.7 minutes this season.