Pavol Demtira delivered two goals and an assist as the Blues topped the Avalanche 3-2.The win ended Colorado’s three-game winning streak. St. Louis took advantage of the absences of Peter Forsberg who has the flu and Joe Sakic who’s missed six in a row with a sprained ankle. The win allowed the Blues to keep pace with the first- place Red Wings, who beat Columbus. St. Louis trails Detroit by four points In the Central Division.