DALLAS - Since taking over behind the bench in November, Blues Head Coach Craig Berube has kept his lines consistent for the most part.

"If there's no reason to change (the lines), then I don't change them," Berube said after Monday's morning skate in Dallas. "But I feel like there is right now, I feel like we need more. So that's why we changed them."

Based on the morning skate, Jaden Schwartz will move up to the first line with Ryan O'Reilly and Vladimir Tarasenko, while David Perron shifts to the right wing on the second line with Oskar Sundqvist and Brayden Schenn.

"We just have to play hard, we have to be on the inside a little more," said Perron, who said he enjoys having consistent linemates over frequent line changes. "If you keep changing the lines, I feel like you just wait for the next opportunity for the line change to get a spark for the team. When it's stable like it has been all year, it's up to the players to do the job. You want to be that guy that can make a difference. We've had guys that step up at different times in the season and we look forward to that again tonight."

Video: Blues on forward line changes for Game 3

In addition, defenseman Robert Bortuzzo will return to the lineup in place of Joel Edmundon.

"Borts plays a heavy game for us, plus he's a right-handed shot and gets (Vince) Dunn over to his normal side, the left side," Berube said. (Bortuzzo) is a good penalty killer."

PROJECTED LINEUP

Forwards

Schwartz - O'Reilly - Tarasenko

Schenn - Sundqvist - Perron

Maroon - Bozak - Thomas

Fabbri - Barbashev - Steen

Defense

Gunnarsson - Pietrangelo

Bouwmeester - Parayko

Dunn - Bortuzzo

Goalie

Binnington

Video: Bortuzzo on getting back in the lineup