Adam Vingan

USA TODAY NETWORK — Tennessee

ST. LOUIS — After five days off, the Predators' playoff run resumes Wednesday against the St. Louis Blues in Game 1 of their second-round series.

Nashville's lineup could undergo some slight changes. The most significant is the likely return of forward Colin Wilson, who didn't play in the Predators' first-round sweep of the Chicago Blackhawks because of a lower-body injury.

Forwards Calle Jarnkrok and Craig Smith, who didn't participate in the Predators' three pre-series practices, were on the ice Wednesday morning for the team's optional morning skate.

Jarnkrok should play, but it appears that Smith will remain sidelined. Predators forward P.A. Parenteau is expected to start for Smith, who missed Game 4 against the Blackhawks last week for an undisclosed reason.

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Based on the morning skate, forward Cody McLeod could make his Predators postseason debut, replacing forward Harry Zolnierczyk. McLeod, scratched in all four first-round games, brings a bruising presence to a series that will be more physical than the last.

Here is how the Predators' forward lines could look in Game 1:

Filip Forsberg — Ryan Johansen — Viktor Arvidsson

Colin Wilson — Colton Sissons — P.A. Parenteau

Kevin Fiala — Calle Jarnkrok — James Neal

Cody McLeod — Mike Fisher — Austin Watson

'No respect': The Blues, who eliminated the Minnesota Wild in a five-game series in the first round, were 22-8-2 in the regular season under new coach Mike Yeo. That was the NHL's best record from his Feb. 1 promotion through the start of the postseason.

Yeo was complimentary of the Predators' suffocating style and unintimidated approach to their series against the Blackhawks.

"One of the things that really impressed me about their group is they showed Chicago no respect," Yeo said. "They're a very aggressive team in how they attack and how they play with and without the puck. We knew they had skill. We knew they had speed. ... They were real hot coming down the stretch as well, and I think they really found a game they believe in, so I'm not surprised and I don't think they are, either. It's two teams coming in with a lot of respect for each other."

Big 'D': The Blues' defensive corps is a large group. The average size of St. Louis' six starting defensemen is 6-foot-4 and 215 pounds. As a comparison, the average size of Nashville's defense is 6-foot-0 and 202 pounds.

"For our forwards, they'll just have to realize that it's going to be a little bit of a different game than maybe what we saw in Chicago," Predators defenseman Yannick Weber said. "It'll definitely be tougher to get in front of their goalie. They're really good at boxing out. They're tall and strong, so it will definitely be a challenge for our forwards to go to the net and get those second chances."

Reach Adam Vingan at avingan@tennessean.com and on Twitter @AdamVingan.