It’s the summer and with no regular season games being played it’s awfully difficult to rank the NHL’s 31 teams on a weekly basis. This week we look at more players that could be on the move in trades during the 2018-19 regular season.

The potential class of free agents for the summer 2019 was looking to be an impressive one, with Erik Karlsson, Max Pacioretty, Drew Doughty, Joe Pavelski, Artemi Panarin, Sergei Bobrovsky, and a bunch of other top-line players all eligible to hit the open market. As is always the case when we look ahead to potential free agents, many of them will never get close to reaching unrestricted free agency.

Doughty has already been re-signed by the Los Angeles Kings. Pacioretty was traded to the Vegas Golden Knights and almost immediately re-signed to a new deal. It is really difficult to see Pavelski getting away from the Sharks, and now that Erik Karlsson is there to help form what could be a super-defense, they will almost certainly work to get him signed to a new deal as well.

That obviously puts a big dent in the potential free agent market.

The other factor at play is what all of these potential UFAs mean for the trade market, and we’ve already seen that at play with the recent trades of Pacioretty and Karlsson.

There could be more throughout the regular season.

In this week’s PHT Power Rankings we take a look at 10 pending unrestricted free agents that could be traded this season, starting with a pretty dynamic duo in Columbus.

1-2. Artemi Panarin and Sergei Bobrovsky, Columbus Blue Jackets

What in the world are the Columbus Blue Jackets going to do here?

They should still be playoff contenders this season, but their two best players — and the two players that help make them a playoff contender — are entering the final years of their contracts and it remains to be seen if either one wants to actually re-sign with the team.

This is, pretty clearly, a no-win situation because, again, what in the heck are they supposed to do?

On one hand, you don’t want to put yourself in a position to lose two players of this caliber for nothing other than salary cap space. You also don’t really want a season-long storyline playing out like the New York Islanders went through with John Tavares.

On the other hand, the team with these two should still be good enough to make the playoffs, and you never want to punt on that chance as long as it exists. The key thing to watch here will probably be what sort of season the Blue Jackets are having. As long as they are in contention for a playoff spot and feel they have a chance to make some noise, they’re probably going to see what they can do with this core as it stands.

But if they show any sign of falling out of it or find themselves on the playoff bubble? They almost have to see what the market for these two would be in a trade.

Are they the most likely players to be traded this season? Not at all, because, again, the Blue Jackets should be good. But the possibility that one (or even both) could be on the move is certainly out there. And if they are, they would be the most impactful players available. That is what puts them at the top of these rankings.

As for two players that almost certainly will be traded…

3-4. Mark Stone and Matt Duchene, Ottawa Senators: These two are pretty much guaranteed to be moved, aren’t they?

Derick Brassard, Mike Hoffman and Erik Karlsson are already gone as part of the Senators’ rebuild, and owner Eugene Melynk’s grand plan seems to involve the team having “15 or maybe even 16” new faces on it by the start of next season.

[Related: Stunning one-year rise and fall of Ottawa Senators]

Given the contract statuses of Stone and Duchene, as well as the tear-it-all-down-to-the-ground rebuild that is underway, there is virtually no chance either player remains on the team at the end of this season.

If they somehow make it through the trade deadline without being moved, why would they ever want to re-sign with this franchise?

5-6. Kevin Hayes and Mats Zuccarello, New York Rangers

At this point there is no secret about what Hayes is as a player. He has over 300 NHL games on his resume and his production has been fairly consistent across the board every season. The player you see is the player you are getting, and if the Rangers felt he was a long-term fit beyond this year they probably would have tried a little harder to buy out some of his UFA years in his latest contract. The fact they did not makes him a pretty big trade candidate.

Zuccarello is a little different.

He is 31 years old, he is set to become a UFA after this season, and all of that makes him a logical trade candidate for a rebuilding team. But the Rangers’ rebuild is still tough to get a hold on. This doesn’t seem to be a complete tear down like, say, the Senators, and it seems possible he could remain with the team. He seems to love playing in New York, has said he wants to remain with the team, and he could still be a fit in whatever their plans are.

[Related: Rangers could once again be active in trade market]

7. Brock Nelson, New York Islanders: The Islanders are going to be a fascinating team to watch over the next year because three of their top forwards are all eligible for unrestricted free agency after this season (Nelson, Anders Lee and Jordan Eberle).

They will also have to give their new franchise cornerstone, Mathew Barzal, a new contract at some point over the next two years as he will be eligible for restricted free agency following the 2020-21 season.

It is certainly possible that any of Eberle, Lee, or Nelson could be dealt before the deadline, especially if the team struggles on the ice (and given the makeup of the roster, that seems inevitable). But they have to keep someone. If you were to look today at the most logical trade candidate it might be Nelson because he is probably the least impactful of that trio.

Facing restricted free agency and arbitration this past summer, the Islanders and Nelson agreed to a one-year deal, setting Nelson up for UFA status next summer. That puts him in a nearly identical situation as the one Hayes is in with the Rangers. There is very little secret as to what he is as a player, and if the Rangers were serious about making him a part of the core moving forward they would have tried harder to buy out some of his UFA years. They didn’t.

8. Gustav Nyquist, Detroit Red Wings: As the Red Wings move into the post-Henrik Zetterberg era there are definitely going to be more changes.

The team has committed to its rebuild, and there does not seem to be much sense in them re-signing Nyquist at this point in his career given where the team is going in the short-term and its current salary cap situation. They probably shouldn’t be expected to get quite the same haul as they did for Tomas Tatar a year ago (mainly because Tatar still had four years of term left on his contract and Nyquist is a pending UFA) but he could still be a useful rental for a contender that needs some depth scoring.

[Related: What’s next for Red Wings in post-Zetterberg era]

9. Alexander Edler, Vancouver Canucks: The Canucks spent the summer acting like a team that can make the playoffs, but let’s be honest … they are probably not making the playoffs this year. Edler has been a staple on the Canucks’ defense for a decade and been one of the best and most productive defenders in the history of the franchise. He is the biggest pending UFA the team has and is still a strong top-four defender. His no-trade clause could complicate a potential move as he holds all of the cards in where he goes, but he could help a contender.

10. Jeff Skinner, Buffalo Sabres: I know, I know … the Sabres just traded for him. And it was a great move. Skinner is an outstanding player, a great goal-scorer, and will help bring some offensive punch to a Sabres team that needs a lot of help. And the price was certainly right for them not even having to give up their own first-round pick or either of the conditional first-round picks they have from St. Louis or San Jose in 2019 or 2020.

At this point there is no new contract in place for Skinner as he enters the final year of his deal, so that certainly creates an interesting scenario. He is still only 26 years old (and does not turn 27 until May) so he could absolutely still be a part of the Sabres’ core going forward if they can get him signed.

If they can’t, and if the team stinks again, is it really hard to imagine the Sabres trying to make another move? Give how little they gave up to get him in the first place they could probably easily get back equal value at the deadline.

MORE: Your 2018-19 NHL on NBC TV schedule

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Adam Gretz is a writer for Pro Hockey Talk on NBC Sports. Drop him a line at phtblog@nbcsports.com or follow him on Twitter @AGretz.