Ottawa defenseman Chris Phillips is also injured and will not play the second game of the home-and-home series between the Senators and Bruins at Canadian Tire Centre.
The Bruins announced Chara's injury on their Twitter feed, and said that his status is day-to-day.
Spezza has a lower-body injury, according to the Senators Twitter feed, and Phillips is out with a left-foot injury.
Introducing the new official NHL App, available for iPhone, iPad and Android smartphones and tablets. A host of new features and improved functionality are available across all platforms, including a redesigned league-wide scoreboard, expanded news coverage, searchable video highlights, individual team experiences* and more. The new NHL App on your tablet also introduces new offerings such as 60fps video, Multitasking** and Picture-in-Picture.
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