Andre Roberson underwent a procedure to relieve swelling in his knee to enhance the rehab process. According to the Oklahoma City Thunder, Roberson is on track to return at the beginning of the 2018-19 NBA season.
From the Thunder:
Roberson was injured in a January victory over the Detroit Pistons. The Thunder went from a top five defensive net rating team with Roberson to a middle-of-the-pack squad without him.