Subban, the brother of Nashville star P.K. Subban, left with a lower-body injury Oct. 21 in the third period of an overtime victory over St. Louis. Claimed off waivers from Boston on Oct. 3, Malcolm Subban is 2-0-0 with a 2.06 goals-against average in three games this season.
The 19-year-old Ferguson made his NHL debut Tuesday night, making one save and allowing a goal in 9 minutes, 14 seconds of work in an 8-2 loss to Edmonton.
The expansion Golden Knights will host the Los Angeles Kings on Sunday night.