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(AP) - Kevin Shattenkirk had a goal and an assist and Brian Elliott made 15 saves for his fifth shutout and the St. Louis Blues ended the Colorado Avalanche's four-game winning streak in a 4-0 victory on Saturday night.

Fellow defenseman Alex Pietrangelo had two assists for a career-best third straight multipoint game and the Blues won their NHL-high 17th game at home and moved ahead of the Red Wings for the Central Division lead.

Patrik Berglund, Jason Arnott and David Backes also scored as the Blues beat the Avalanche for the first time in three meetings this season and only the second time in 11 games overall.

Colorado struggled a night after a 4-0 shutout in Chicago, getting outshot 28-9 the first two periods and 39-15 overall en route to just its second loss in 11 games.

The Avalanche had a season-best run of 15 straight penalty kills after the first period before giving up power-play goals to Arnott and Backes in the second.