"We have a new coach and new kind of sense of urgency, kind of new life kicked in us," Stastny said. "We wanted to just compete out there. If we would have lost, I think we just wanted to have a better attitude than in the past. So you wanted to get that win. We wanted to get that win for [Yeo] and it's jersey retirement night. Those come around once maybe every 10 years if you're lucky. Somewhere in the back of your mind, if you get the win, you wanted to get five goals for something the Plager family will always remember."
The Maple Leafs (23-17-9) lost their third straight on a season-long six-game road trip. Mitchell Marner scored and Frederik Andersen made 26 saves.
"I thought we had a good 10 minutes of the first period and after that they were just better than us and they were faster and more determined," Maple Leafs coach Mike Babcock said. "They executed better, were on top of us and we weren't good enough. We didn't have enough players being good enough. Bottom line is we didn't get anything going."
With the score 1-1 in the second period, the Blues got goals from Stastny and Tarasenko 35 seconds apart. Stastny scored at 6:27 and Tarasenko at 7:02.
Parayko's power-play goal at 11:02 put St. Louis ahead 4-1.
Stastny's rebound goal at 12:28 of the third made it 5-1.
Marner put the Maple Leafs ahead 1-0 at 14:22 of the first, pouncing on a loose puck in the low slot.
Steen tied it at 17:58.