BOSTON -- The Bruins were tied with the Chicago Blackhawks for the NHL's top penalty-killing unit, but the Rangers are improving, killing four of four in last night's 4-3 shootout win, making them 14-for-15 in the last four games.

"It's been better," coach John Tortorella said. "We're really concentrating on getting more aggressive up the ice . . . A key thing is that once you're aggressive in the zone, everybody needs to be aggressive at the same time, and we're better at that. We're not as disjointed . . .

"We have tried to settle in on the two pairs (Ryan Callahan-Derek Stepan and Darroll Powe-Jeff Halpern) up front."

Rick Nash and Carl Hagelin also have been playing shorthanded, but fewer minutes than the top four.

Krieder eyes Beanpot

Boston College grad Chris Kreider was at TD Garden on Monday to watch the Eagles beat Northeastern, 6-3, to win the Beanpot Tournament for the fourth year in a row. "My class has done pretty well," Kreider said. "It's crazy to look back and realize it was a year ago I was playing in that tournament. It feels longer than that; there's been so much hockey between now and then." Matt Gilroy, who played his 200th NHL game Tuesday night, attended rival Boston University, which lost to Harvard in the consolation game. He wasn't in the crowd.

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Boyle scratched again

A frustrated Brian Boyle, who has one point this year, sat for the third consecutive game. "I like the way our guys played the last game," Tortorella said. "I just don't know when I'll change the lineup; it depends on what goes on with the players each game." Defensemen Stu Bickel and Steve Eminger also were healthy scratches.