Ryan O’Reilly and Zach Sanford scored 16 seconds apart in the third period to give the Blues a 4-3 lead. O’Reilly tied it 3-3 at 3:47, and Sanford made it 4-3 at 4:03.
Matthew Highmore tied it 4-4 on a rebound at 5:16, and Brandon Saad scored a power-play goal for a 5-4 lead at 8:16.
Justin Faulk hammered a one-timer from the point off Slater Koekkoek’s skate to tie it 5-5 at 9:28 then Sanford scored his second on a rebound in the slot on the power play at 13:35 for the Blues (37-17-10) to win their fifth straight game and lead the Western Conference by four points ahead of Colorado.
Dominik Kubalik and Jonathan Toews both had two assists, and Corey Crawford made 31 saves for Chicago (27-28-8), which has lost 10 of 13 (3-8-2) and are eight points behind Nashville, Winnipeg and Arizona for the second wild card in the West. The Blackhawks went 3-for-4 on the power play with goals by Keith, Patrick Kane and Connor Murphy. It was the first time this season Chicago has scored three power-play goals in a game.
Sanford (two goals, assist) and Robert Thomas (one goal, two assists) each had three-point games for the Blues. Jordan Binnington made 25 saves.
Jaden Schwartz passed the puck by Ryan Carpenter and through the slot to Brayden Schenn, who fired a wrist shot from the left face-off circle on the power play to make it 1-0 33 seconds into the game.
Toews won an offensive-zone faceoff against O’Reilly then Keith fired a slap shot through traffic for a power-play goal, the 100th of his career, to tie it 1-1 at 10:51.
Murphy gave Chicago a 2-1 lead at 14:09 with a wrist shot from the left point shortly after Toews won another faceoff, this time against Thomas.
Kane extended the lead to 3-1 at 1:13 of the second with a wrist shot on the power play past a screened Binnington that bounced off the right post then the left and into the net.
David Perron sent a cross-ice pass from the right point between Nick Seeler and Highmore to the front of the net for Thomas, who fired a shot past Crawford’s blocker side to make it 3-2 at 7:38.
O’Reilly nearly tie it 3-3 with a wraparound goal, but he sent the puck flying across the crease. Crawford then made a windmill save on Colton Parayko to hold the lead in the second.
- Sanford (STL) — 2 goals, 1 assist
- Thomas (STL) — 1 goal, 2 assists
- O’Reilly (STL) — 1 goal, 1 assist
The Blackhawks continue their four-game road trip with a trip south to face the Lightning on Thursday at Amalie Arena in Tampa, Fla.