DENVER Nathan MacKinnon had a goal and an assist, and the Colorado Avalanche won their third straight game, 3 1 against the Calgary Flames at Ball Arena on Saturday. Jonathan Drouin and Ryan Johansen scored for the Avalanche 14 6 0 , who have won six of their past seven games, including a 3 2 victory at the Minnesota Wild on Friday. Ivan Prosvetov made 29 saves. 'I felt good about our team...