BOSTON (AP) — Sidney Crosby scored on the power play to snap a third-period tie and added two assists, lifting the Pittsburgh Penguins to a 6-5 win over the Boston Bruins. Crosby’s goal broke a 5-all deadlock and halted a four-game winning streak for the first-place Bruins, who rallied from three down to tie it. The Penguins also got goals from Drew O’Connor, Ryan Graves, Jake Guentzel, Lars Eller and Jeff Carter. Alex Nedeljkovic made 24 saves. Brad Marchand scored twice for the Bruins, and David Pastrnak had a goal and two assists. Morgan Geekie added a goal and an assist, and Jeremy Swayman stopped 29 shots.