The Boston Bruins will look to stay alive in their first-round series without the services of David Krejci.
The forward left Friday's game after taking a knee-on-knee hit from Ottawa Senators defenseman Chris Wideman.
The Bruins later ruled out Krejci's return to the game. He was playing in his third postseason game where he has been held pointless.
The Bruins are down three games to one.
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