Radulov played against the Carolina Hurricanes on Tuesday after missing Sunday's game against the St. Louis Blues with an upper-body injury. The club hasn't released any further details on his injury.
In 52 games this season, Radulov has 15 goals and 31 points.
Robertson will make his NHL debut after recording 20 goals and 35 assists in his first AHL season. The Stars took the 20-year-old with the 39th overall selection in the 2017 NHL Draft.