DENVER (AP) — Nathan MacKinnon and Valeri Nichushkin scored on the power play during a five-goal, third-period outburst and the Colorado Avalanche rallied for a 6-2 victory over the Winnipeg Jets in Game 3 on Friday night. Alexandar Georgiev stopped 22 shots to give the Avalanche a 2-1 lead in the best-of-seven first-round playoff series. Game 4 is Sunday in the Mile High City. Trailing 2-1 in the final period, Colorado, the highest-scoring team in the league, began pouring it on. The Avalanche