Reilly Smith scored the tiebreaking goal at 15:27 of the third period and the Boston Bruins beat the Flames 2-1 Tuesday night in Jarome Iginla's return to Calgary.
David Krejci scored a power-play goal almost 14 minutes into the third to pull Boston even. Only 1:38 later, Smith skated down the left wing, cut around defenseman T.J. Brodie and roofed a shot into the top corner of the net over the outstretched glove of Reto Berra.
Tuukka Rask made 26 saves to help Boston win its third straight.
Jiri Hudler scored in the second period for the Flames, who had won three of four.
Iginla received an extended standing ovation before the opening faceoff of his first game back in Calgary since he was traded to Pittsburgh last season. He signed with the Bruins as a free agent in the offseason.