Jakub Voracek and Wayne Simmonds added goals, and Steve Mason made 32 saves to help Philadelphia improve to 12-2-1 in its last 15 games to maintain its hold on second place in the Metropolitan Division.
Jaden Schwartz opened the scoring 6:23 into the game, finishing a 2-on-1 short-handed opportunity after taking a feed from Kevin Shattenkirk. Schwartz's wrist shot from close range went under the glove of Mason.
St. Louis needed one point in the game to become the first Western Conference team to clinch a playoff spot.
I loved being in the jerseys again and they worked some magic for us. It was weird in warm-ups, seeing No. 22 in that jersey and thinking he’s [Mike Gartner], and No. 8 reminds you of Danny Briere … every number had me thinking back to the guys who wore them and smiling.
— Coyotes captain Shane Doan on wearing Kachina-style throwback jerseys in a 3-2 victory against the Canucks on Thursday