Zack Smith (wrist) is expected to miss "months," according to coach Dave Cameron.
Zack Smith suffered an upper-body injury Saturday.
Zack Smith may be a healthy scratch again on Tuesday.
Zack Smith was back at center during Sunday's practice.
Zack Smith scored two quick goals in under six minutes on Friday night, but the Sens were whopped 7-4 by the Habs.
Zack Smith has been extremely effective in the faceoff dot over the Senators' last three games.
Zack Smith scored his sixth goal of the season on Saturday.
Zack Smith might hear from the league for his hit on St. Louis forward Alexander Steen.
Zack Smith recorded the game-winning goal in Thursday's 2-1 victory against Buffalo.
Zack Smith netted his first goal of the season in Ottawa's 3-2 defeat on Saturday.
Zack Smith could end up playing on the wing again this season.
Zack Smith opened the scoring in Game 5 Thursday night.
Zack Smith has netted three goals in his last seven games after going 23 straight contests without a marker to open the year.
Zack Smith skated on the Senators' first line Friday night and he proved worthy of the opportunity scoring a goal.