ATLANTA — Defenseman Dustin Byfuglien had a goal and three assists, and Ondrej Pavelec made 40 saves to help the Atlanta Thrashers win their fifth straight game, 4-1 over the Boston Bruins on Sunday night.

Pavelec 16 saves in the second period. During the winning streak, he has stopped 201 of 207 shots.

Atlanta, which has outscored opponents 19-3 over its last five, led 3-0 by the 14:42 mark of the first period on goals by Evander Kane, Byfuglien and Jim Slater.

Blake Wheeler's wrister 12:22 into the second cut it to 3-1, but Niclas Bergfors scored on a power play by redirecting Byfuglien's slap shot with 13 seconds left in the period.

The Bruins, who had a 10-game winning streak against Atlanta, have dropped two straight overall and are winless in four of their last five.

Tuukka Rask, giving No. 1 Bruins goalie Tim Thomas the night off, fell to 1-6-1 after losing his second straight start. He stopped 22 shots as Boston dropped to 0-5-2 this season when trailing after one period.

Kane made opened the scoring with his ninth goal, a wrister from the bottom of left slot at the 8:32 mark.

The next two goals came in a span of 2:50.

Byfuglien put the Thrashers ahead 2-0 with a shot from the left faceoff dot that beat Rask between the legs. Jim Slater's third goal made it 3-0 after Byfuglien stole the puck along the right boards of the neutral zone.

Bergfors' sixth goal came on a 4-on-3 advantage due to minor penalties on Daniel Paille for boarding and Shawn Thornton for roughing. Atlanta defenseman Ben Eager was penalized for roughing.

The Bruins, who won their first five road games, dropped to 8-3-0 away from TD Garden.

Pavelec, who began the night with the NHL's third-best goals-against average and saves percentage, has made 12 straight appearances, including 10 starts.

NOTES: Gloves came off twice in the second period, resulting in a pair of fighting majors for both teams. Atlanta's Evander Kane landed four punches to Matt Hunwick's head before Boston's Shawn Thornton appeared to get the better of Eric Boulton. ... Bruins C David Krejci and RW Jordan Caron did not make the trip because of the flu.