DALLAS (AP) St. Louis captain David Backes scored off a rebound during a power play 10:58 into overtime and the Blues beat the Dallas Stars 4-3 in Game 2 on Sunday to even the second-round series.

St. Louis was on its second power play of overtime after Antoine Roussel was called for interference.

Vladimir Tarasenko took a slap shot that defenseman Alex Goligoski blocked. But the Blues kept charging and Backes scored on the rebound of Alexander Steen's shot.

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The best-of-seven series matching the Western Conference's top two teams switches to St. Louis for Game 3 on Tuesday night.

Dallas forced overtime by erasing a two-goal deficit in the third period, tying in on Jamie Benn's goal with 2:36 left.

Antti Niemi stopped 19 consecutive shots since relieving Kari Lehtonen after the first period until Backes scored. Blues goalie Brian Elliott had 31 saves, including big shots by Jason Spezza and Benn about a minute apart in overtime.

Patrik Berglund, Joe Edmundson and Troy Brouwer had first-period goals for St. Louis.

Goligoski and Mattias Janmark also scored for Dallas.