Chara, who was hurt during Saturday's game against the Columbus Blue Jackets, probably won't play Tuesday against the Los Angeles Kings. But he wasn't about to concede that he won't play against the Ottawa Senators Wednesday or Philadelphia Flyers Saturday.
"The plan is to take it a day at a time," Chara told the Boston Herald. "You can't really put a time frame on it. It's about how it feels, and it feels better than I expected. And then we go from there, see how it is (Tuesday). You really know when you sleep on it, the next day. So far, it's been really good. It's something I'm pleased with.
"There's no time frame on when I might be back. Most likely I won't be playing (Tuesday), but that's all I can tell you right now."
The 34-year-old defenceman has six goals and 13 assists in 28 games this season.
With Chara out, Steven Kampfer, who has not played for the Bruins since Nov. 17, will return to the lineup.
PENS LOSE ANOTHER
The Pittsburgh Penguins, already hit hard by injuries, will be without forward Richard Park for the next 4-6 weeks due to a broken foot.
Park reportedly was hurt blocking a shot during the Penguins' 3-2 loss to the Philadelphia Flyers Thursday.
In 21 games this season, the Korean-born Park has two goals and five assists. He returned to the NHL this season after a year in the Swiss League.
Forward Jordan Staal is also out day-to-day with a lower-body injury.
But the Pens got some good news on the injury front Monday. Defenceman Zbynek Michalek, out since Nov. 26 with a concussion, has been cleared to practice.
GIROUX SITS, TOO
Philadelphia Flyers forward Claude Giroux won't play Tuesday in Washington.
Giroux, who didn't practice with the Flyers Monday, will instead be evaluated by team doctors after taking a knock to the head during a collision with teammate Wayne Simmonds Saturday against the Tampa Bay Lightning.
"Claude is continuing to feel better," Flyers GM Paul Holmgren said.
Giroux, the early candidate to win the Hart Trophy, leads the NHL in scoring with 16 goals and 23 assists.
New York Islanders goalie Evgeni Nabokov was activated off injured reserve Monday.
Nabokov, out since mid-October due to a groin injury, has gone 1-5-0 with a 2.83 goals-against average this season.
Forward Michael Haley was sent to Bridgeport of the AHL to make room for Nabokov on the roster.
LIGHTNING INK FORWARD
Free-agent forward Antti Miettinen signed a two-year, one-way contract with the Tampa Bay Lightning Monday.
Miettinen played 20 games with Ak Bars Kazan of the Russian KHL this season, recording two goals and six assists. He had 16 goals and 19 assists in 73 games with the Minnesota Wild last season.
The 31-year-old Finn has played 472 NHL games with Dallas and Minnesota.
The Lightning also called up defenceman Evan Oberg from Norfolk of the AHL. Oberg was acquired in a trade with the Florida Panthers earlier this month but has yet to play with Tampa this season.
IGGY FIRST STAR
Calgary Flames captain Jarome Iginla has been named the NHL's first star of the week.
Iginla edged out Minnesota Wild goalie Matt Hackett and Washington Capitals defenceman John Carlson for the award.
In three games last week, Iginla had four goals and two assists. The 34-year-old winger now has 11 goals and 10 assists in 29 games.
Hackett, the second star of the week, won his first two NHL games after being called up from the minors while Carlson had one goal and six assists in three games.
SHARKS GOALIE ACTIVATED
The San Jose Sharks activated goaltender Antero Niittymaki off injured reserve Monday and assigned him to Worcester of the AHL on a conditioning stint.
Niittymaki hasn't played all season after having hip surgery in November.
In 24 games last season, Niittymaki was 12-7-3 with a 2.72 goals-against average and .896 save percentage.
The Sharks also put defenceman Jim Vandermeer on injured reserve. He has three assists in 10 games this season.
St. Louis Blues forward Vladimir Sobotka left practice after taking a shot by Alex Steen off the foot. Sobotka was seen leaving the arena on crutches but the team did not update his injury status ... Columbus Blue Jackets goalie Steve Mason will make his first start since Nov. 15 Tuesday against the Vancouver Canucks. Jackets backup goalie Curtis Sanford had made 12 straight starts, going 5-4-3 ... Boston Bruins forward Brad Marchand was fined $2,500, the maximum allowable under the CBA, for his slew-foot on Pittsburgh Penguins defenceman Matt Niskanen Dec. 5. San Jose Sharks forward Andrew Desjardins was also fined $2,500 for boarding Chicago Blackhawks defenceman Sami Lepisto Sunday.