If Liverpool intend to release Nunez then this is the right time to do it, when there is a club that offers them a good price to make the transfer. They can also get profit and besides that they can get the player they want. I think this transfer will really happen if Liverpool really intends to do it.
It might be a long consideration for Nunez because he will be outside Europe if this happens. Because he is also a young player and might think more about his career than the salary he will receive when joining the Saudi club. Because I am sure Al Nassr will definitely give a higher salary too.
Nunez's decision totally affected by numerous variable, but hopefully he can use his sense. I don't wanna see the club to force him to go there, but that's the only way to get a lot of money in order to sign Isaak.
Exchanging him to the Isaak is a very worthy transfer i guess. You can imagine they can have two hungry attackers in the same team, and all of them are also in the top scorer leaderboard.
This is a huge move for them. If they wanna dominate the competition, sign Isaak.
Yes it will definitely be a very long negotiation process about Nunez's future with Liverpool, I mean they will have a more complicated communication if Nunez doesn't want to be in the Arab League. I also think Liverpool are a professional club and they will definitely not force themselves to do it, even though they really want to get profit from the sale.
The player exchange option I think is good, but they will also definitely negotiate about the additional price they want. Because I'm sure they also don't want to just exchange players without any additional cost.