DENVER -- The Nashville Predators played pretty good hockey for most of the Western Conference First Round against the Colorado Avalanche. But that complete game, the one that was evident many times on their run to an NHL-best 117 points and the Presidents' Trophy in the regular season, eluded them.

PITTSBURGH -- The Pittsburgh Penguins were a mixed bag in the Eastern Conference First Round against the Philadelphia Flyers.

The Nashville Predators will play the Winnipeg Jets in the Western Conference Second Round.

Nashville defeated the Colorado Avalanche 5-0 in Game 6 on Sunday to end that first-round series.

DENVER -- The Nashville Predators advanced to the Western Conference Second Round with a 5-0 win against the Colorado Avalanche in Game 6 of the first round at Pepsi Center on Sunday.

Pekka Rinne made 22 saves for the Predators, who will play the Winnipeg Jets in the second round.

Viktor Arvidsson, Nick Bonino, Filip Forsberg, Austin Watson and Mattias Ekholm scored for Nashville, which won the Presidents' Trophy this season with 117 points (53-18-11).

PHILADELPHIA -- Jake Guentzel better get used to wearing the playoff guy label.

The 23-year-old Pittsburgh Penguins forward has certainly earned it.

"He's one of those guys that has it," Penguins coach Mike Sullivan said. "He has the ability to play his best when the stakes are the highest."

PHILADELPHIA -- Ivan Provorov summed up the sacrifice sometimes needed in the Stanley Cup Playoffs in one sentence.

The Winnipeg Jets advanced to the Western Conference Second Round and will play the Nashville Predators.

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The Vegas Golden Knights and San Jose Sharks will play in the Western Conference Second Round. They are each coming off a four-game sweep, of the Los Angeles Kings and Anaheim Ducks, respectively.

Here are five key matchups that could decide the best-of-7 series:

How do you celebrate a historic first season?

With cake.