Struggling Vancouver Canucks lack execution in ‘key moments’: coach

VANCOUVER — Things finally seemed to be clicking for the Vancouver Canucks on Tuesday.Then came the third period.Vancouver went into the frame up 2-1 on the visiting Sabres, but a five-minute stretch midway through saw the Canucks cough up two goals in less than five minutes. Buffalo registered a 3-2 victory.It was the seventh time this season the Canucks (20-16-10) have relinquished a third-period lead.“We haven’t been good enough closing games out,” said Canucks goalie