While this might have been the worst defensive game of the five since Joe Sacco took over at interim coach, the Bruins’ goal-scoring woes remain their most troublesome issue. They got 33 shots, including 13 in the third period.

Philip Tomasino scored the go-ahead goal in the third period for the Pittsburgh Penguins in a 2-1 win against the Boston Bruins at TD Garden on Friday. Tomasino gave the Penguins a 2-1 lead at 7:26 of the third,

Only 48 hours after rolling up a season-high six goals in a 6-3 win on Long Island, the Bruins offense managed one goal, by Charlie Coyle in the first period.