Thursday's game against Boston was the Red Wings' first real test against a legitimate Stanley Cup contender.
If one regular season game can show anything, it showed the Wings still have work to do, losing 5-1 to the Bruins.
It was the second consecutive loss for the Wings (3-2-2), who opened the season five games without a regulation time loss.
The game turned early in the third period. The Wings only trailed 2-1 after two periods, thanks to Adam Erne's late second period goal, but the Bruins scored three goals in a span of 1 minute, 39 seconds to make it 5-1.