Krejci was credited with his 19th goal when his shot off the backboards hit the back of Knapp’s left skate and went into the net.
NOTES: Bruins fourth-line right wing Daniel Paille was helped from the ice after falling hard when he collided with Jake McCabe, who received a major penalty for interference and was ejected with 12:43 left. Paille didn’t return, and the Bruins had no update on his condition. ... Besides Hackett, four other Sabres left the game with injuries — Christian Ehrhoff (concussion), Chris Stewart (leg), Matt D’Agostini (lower body), and Brian Flynn (lower body). ... Boston is 14-2-1 in afternoon games with one remaining. ... Hackett is 1-6-1 since being recalled from the AHL on March 17. ... The Bruins were eliminated on home ice in the playoffs the past two seasons, by Chicago last year and by Washington in Game 7 of the opening round in 2012.