Bruins 6, Senators 0 .

BOSTON - Patrice Bergeron scored three times for his first career hat trick and Tim Thomas earned his sixth shutout of the season as the Boston Bruins blanked the Ottawa Senators 6-0 on Tuesday night.

Brad Marchand and Tyler Seguin each had a goal and an assist and David Krejci added a pair of assists for the Bruins, who picked up right where they left off Monday night, when Boston rallied for four goals in the final 3 1/2 minutes of a 4-2 win at Pittsburgh.

Thomas made 31 saves and the Bruins improved to 2-1 this season against the Senators. All three games have been shutouts.

After scoring five goals in a span of three games, the Bruins have 10 in their last two. Five of Tuesday's got past Brian Elliott, who faced 27 shots in two periods before being pulled. He had little chance of stopping most of them after blunders by the Senators' defence.

Marchand got his eighth goal of the season when he passed from the corner in front for Bergeron, who was tangled up with Sergei Gonchar. The puck deflected off the Ottawa defenceman's skate, giving Boston a 4-0 lead with 5:53 left in the second. Bergeron was initially credited with the goal and fans tossed hats to the ice, but the celebration was premature and the goal was reassigned to Marchand.

But more hats came early in the third, when Bergeron poked the puck away from Ottawa defenceman Chris Campoli to Marchand, who got it right back to Bergeron for a high wrist shot right past Mike Brodeur, who replaced Elliott at the beginning of the period.

Fans gave Bergeron a standing ovation when the Bruins announced it was his first career hat trick - and there was no overturning this one.

Bergeron, who gave Boston a 1-0 lead with an unassisted goal early in the first period, secured his third straight multi-point game with an unassisted goal early in the second on yet another mistake by the Senators' defence. Campoli couldn't hold in the puck at the blue line and Bergeron tapped it ahead to himself, then skated through another defender and corralled a high bounce before getting off a quick shot to put the Bruins up 3-0 with 17:10 left in the period.

Blake Wheeler also scored for Boston.

NOTES: Boston's Mark Recchi played in his 1,613th game, moving him past former Bruins great Ray Bourque for eighth place on the NHL's career list ... Thomas and Bruins captain Zdeno Chara were selected as All-Stars earlier Tuesday. Ottawa defenceman Erik Karlsson will be the Senators' lone representative ... The Senators next face the Islanders on Thursday in Uniondale, N.Y. (7 p.m., TSN, Team 1200) before returning home to face the Calgary Flames on Friday night at Scotiabank Place (7:30 p.m., Sportsnet East, Team 1200).