Bruins goalie Tuukka Rask was injured in a hard collision with Rangers forward Filip Chytil and helped off the ice late in the opening period.

The 31-year-old Rask, who entered the game Saturday night tied with Cecil “Tiny” Thompson for the most victories in club history with 252, gave up a goal to Chytil, who came charging down the right wing. After he flipped the puck over Rask at full speed, Chytil was hit by Boston defenseman Charlie McAvoy, sending the forward’s waist flying into the head of Rask, who was knocked backward hard to the ice.

Rask was on his back before being helped up and needed assistance from teammates McAvoy and David Pastrnak to get to the bench before going down the tunnel to the locker room.

He was replaced by backup Jaroslav Halak.

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Boston Bruins goaltender Tuukka Rask (40) is attended to by medical personnel as his teammates look on after taking a hit on a goal by New York Rangers center Filip Chytil during the first period of an NHL hockey game, Saturday, Jan. (AP Photo/Mary Schwalm)
Boston Bruins goaltender Tuukka Rask (40) is attended to by medical personnel as his teammates look on after taking a hit on a goal by New York Rangers center Filip Chytil during the first period of an NHL hockey game, Saturday, Jan. (AP Photo/Mary Schwalm)
Boston Bruins goaltender Tuukka Rask (40) is helped off the ice after taking a hit on a goal by New York Rangers center Filip Chytil during the first period of an NHL hockey game, Saturday, Jan. (AP Photo/Mary Schwalm)
Boston Bruins goaltender Tuukka Rask (40) is helped off the ice after taking a hit on a goal by New York Rangers center Filip Chytil during the first period of an NHL hockey game, Saturday, Jan. (AP Photo/Mary Schwalm)
New York Rangers center Filip Chytil scores as he collides with Boston Bruins goaltender Tuukka Rask (40) ahead of Charlie McAvoy (73) during the first period of an NHL hockey game, Saturday, Jan. (AP Photo/Mary Schwalm)
New York Rangers center Filip Chytil scores as he collides with Boston Bruins goaltender Tuukka Rask (40) ahead of Charlie McAvoy (73) during the first period of an NHL hockey game, Saturday, Jan. (AP Photo/Mary Schwalm)
Boston Bruins goaltender Tuukka Rask (40) is helped off the ice after taking a hit on a goal by New York Rangers center Filip Chytil during the first period of an NHL hockey game, Saturday, Jan. (AP Photo/Mary Schwalm)
Boston Bruins goaltender Tuukka Rask (40) is helped off the ice after taking a hit on a goal by New York Rangers center Filip Chytil during the first period of an NHL hockey game, Saturday, Jan. (AP Photo/Mary Schwalm)