![The Pittsburgh Penguins are set to face-off with the Ottawa Senators. Kathy Willens / AP Photo](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/ZV2O6ABJBWDFKBAKIXG5SHMENI.jpg?smart=true&auth=2e51f0a1077c5180a91dbf6820dcb04249355ad3999c631575d5e4d9f30865ce&width=400&height=225)
The Pittsburgh Penguins are set to face-off with the Ottawa Senators. Kathy Willens / AP Photo
The Pittsburgh Penguins are set to face-off with the Ottawa Senators. Kathy Willens / AP Photo
NHL play-offs: A look at the second-round series
A breakdown of who is paying who in the eastern and western conferences.