Offensively-challenged Canadiens fall to Bruins in overtime

BOSTON — A superb effort by Antti Niemi was wasted as Brad Marchand scored at 2:06 of overtime Saturday to give the Boston Bruins a 2-1 win over the Canadiens at TD Garden. Niemi made 48 saves but didn’t get any help from the offence after Brendan Gallagher opened the scoring in the first period, A power-play goal by Jake De Brusk at 17:15 of the third period allowed the Bruins to tie the score. DeBrusk tipped Nick Holden’s shot to spoil Niemi’s shutout. The Bruins went o