Canadiens fans clamouring to see Alex Galchenyuk at centre will get their wish Tuesday night when the Canadiens confront Jaroslav Halak and the St. Louis Blues at the Bell Centre (7:30 p.m., TSN, RDS, TSN-690 Radio).

Head coach Michel Therrien turned to Galchenyuk in the third period of Saturday’s 4-1 loss to the Colorado Avalanche, putting him between Max Pacioretty and Brendan Gallagher. They failed to score, but Therrien liked what he saw.

“The positive (in this game) is the adjustment we made with Galchenyuk playing centre with Pacioretty and Gallagher,” Therrien said. “It’s something we’ve been thinking about and we decided to do it in the third period and I was really pleased. This is an experiment that we’re going to repeat again.”

The trio came close to pulling even with the Avalanche midway through the third period when Pacioretty hit the crossbar with a wrist shot. Less than a minute later, Ryan O’Reilly took advantage of a miscue by P.K. Subban to give the Avalanche a 3-1 lead. Subban gave up the puck behind the Canadiens’ net and O’Reilly circled in front to beat Peter Budaj from close range.

Pacioretty, who returned to the lineup after missing eight games with a strained hamstring, said he felt better as the game went on.

“It was a little slow at the start but I had some chances, hit the crossbar with one, and it can only get better,” Pacioretty said.

“I played with Patch last year and so we have some chemistry,” said Gallagher, who notched his team-leading seventh goal to give the Canadiens a 1-1 tie in the second period. “He’s a goal-scorer and I’m going to try to find him when he’s out there.”

Pacioretty led the Canadiens with six shots on goal, while Gallagher added five.