This is surprising, Zibanejad had a great preseason and looked like a lock to make the Sens roster. He had seven goals and 13 assists (20 points) in 42 games for Ottawa last season. The move was likely made because Zibanejad is waiver exempt and the Senators did not want to expose Stephane Da Costa to waivers. Expect to see Zibanejad back with Ottawa soon.
