Bruins rally in third, upend Sabres in OT for pivotal win

David Pastrnak opened the scoring, then recorded his second assist on Pavel Zacha's overtime goal as the visiting Boston Bruins rallied to cool off the Buffalo Sabres with a 4-3 victory.

On the rush, Pastrnak pulled back then sent a pass to Zacha, who beat Buffalo goaltender Ukko-Pekka Luukkonen (27 saves) 38 seconds into overtime for his ninth goal in March.

Boston (40-24-8, 88 points) trailed 3-2 when with six minutes remaining in regulation, former Sabre Casey Mittelstadt converted...