Vladimir Tarasenko scored twice and Chris Stewart tied it with 6:27 remaining in regulation for St. Louis, which entered tied for the fewest regulation losses in the league with six and have now won three straight and four of five. Brenden Morrow added two assists and Jaroslav Halak made 30 saves for the Blues.
On the winner, Columbus lost the puck at its blue line. Backes took it, fended off Fedor Tyutin on a delayed penalty call then deked Mike McKenna and calmly scored with a high shot.
For six months, it's a really good accomplishment. But as soon as April [11, the end of the regular season] comes around, no one thinks about the regular season anymore. For six months, it's a real battle to get into the playoffs in the NHL these days. There are a lot of good teams, and it takes consistency over a long time.
— Ducks coach Bruce Boudreau on clinching a playoff berth after a win against the Islanders on Saturday