Chicago’s Daniel Carcillo scored the tiebreaking goal with 49.3 seconds left and the host Blackhawks won their 11th consecutive game, beating the Colorado Avalanche, 3-2, Wednesday night to extend the best start in NHL history.

Jonathan Toews and Andrew Shaw also scored for Chicago (21-0-3), which reached the halfway point of a lockout-shortened season without losing in regulation. The remarkable Blackhawks have earned at least 1 point in their first 24 games, an NHL record.

Maple Leafs 5, Senators 4 — Phil Kessel had a goal and two assists to help host Toronto hold off Ottawa in a game highlighted by a knockout punch from Frazer McLaren. Only 26 seconds into the latest installment of the Battle of Ontario, McLaren decked Dave Dziurzynski when he caught the Ottawa forward flush with a right to the chin, sending him face down to the ice in a frightening scene. A woozy Dziurzynski was slow getting up and eventually needed help from two teammates to skate off and did not return.

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Ducks 2, Coyotes 0 — Jonas Hiller faced only 18 shots in his first shutout of the season as Anaheim posted its ninth straight home victory.

Flames 4, Sharks 1 — Miikka Kiprusoff made 32 saves in his return from a knee injury to lead host Calgary.