ST. LOUIS — The Blues are back in a playoff position. Thanks to a 4-3 overtime win over the Kings on Sunday afternoon at Enterprise Center, the Blues jumped idle Nashville in the Western Conference standings and into the top wild-card spot in the conference. Brayden Schenn scored the game-winning goal in overtime to lift St. Louis to its fifth straight win. Jordan Kyrou paced the Blues with three points (one goal, two assists) while Scott Perunovich had two primary assists. Nick Leddy and Pavel Buchnevich (power play) also scored for the Blues. Adrian Kempe, Jaret Anderson-Dolan and Phillip Da…