from John Kreiser of NHL.com,

Power surge: The shortened training camps appear to have affected some teams much more than others when it comes to the power play. The first-quarter League average of 18.8 percent would be the best since 2008-09 (18.9 percent), and a noticeable jump from last season's 17.3 percent. But not everyone is sharing in the fun: Five teams were converting on more than 25 percent of their chances, and eight were beating Nashville's League-leading 21.6 percent last season. However, three teams were below 10 percent and four trailed last season's 30th-place showing of 13.5 percent by Dallas.

Though they were 8-1-2 in the first quarter, the Boston Bruins were just 4-for-43 with the extra man -- and 0-for-23 at TD Garden. Detroit, which went 9-for-38 (23.7 percent) at home, is 0-for-23 on the road.

OK on the PK: The Bruins' power play struggled in the first quarter, but their penalty-killers were superb. Boston led the NHL in penalty-killing at 93.5 percent, allowing only three power-play goals on 46 opposition attempts. Chicago's 10-0-3 start owes plenty to its penalty-killing unit, which gave up just four goals in 47 tries (91.5 percent).

Anaheim won nine of its 12 games in the first quarter despite having the NHL's 29th-ranked penalty-killing unit. The Ducks' 69.6 percent success rate (14 goals allowed on 46 opposition attempts) was worse than everyone except the Winnipeg Jets (67.5 percent).

Working overtime: In all, 47 games in the first quarter went past regulation -- 21 were decided in overtime and 26 in a shootout. Western Conference teams were far more likely to go past regulation than their counterparts in the East -- 31 of the 47 overtime/shootout games were in the West, including 19 of the 26 tiebreakers.

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