Predators D Anton Volchenkov suspended four games for hit to head
Ferland, who was making his NHL debut, did not return and was ruled to have sustained a concussion. He didn't travel with Calgary for its five-game road trip that begins Sunday.
Volchenkov, 32, is in his first season for the Predators after four seasons with the New Jersey Devils and seven years with the Ottawa Senators. He's averaging 13:38 of ice time and has two points this season.
The Predators are 6-2-2 this season and tied for first place in the Central division.
- Ben Estes