Nine players have already scored for the New York Rangers and Edmonton Oilers, 10 for the Colorado Avalanche. That depth of scoring early in the NHL playoffs has the Rangers on the verge of sweeping Washington, while Edmonton and Colorado are looking to take 3-1 leads Sunday in their respective first-round series against Los Angeles and Winnipeg. “You’re going to need that more throughout the course of the playoffs,” said Rangers coach Peter Laviolette, whose team could next face Carolina 18 yea