There is no shot Florida is going to just give up on Knight. He is their future starter. I could see them giving up someone like Bennett before Knight. If they move Bennett they would be able to move Lundell up and that seems logical

You're really optimistic that team even want 5.3m Jarry when other just as good/better/cheaper goalies are available in UFA.
Lots of faith in AHLer Knight.
Unlikely Rakell has San Jose on his trade list. San Jose would have no interest in four years of 31 year old 5m Rakell.
Leafs would no interest in five years of Graves even at 3m

Florida isn't moving Spencer Knight for 33 year old Reilly Smith and 2 3rd round picks

Sharks accept.

the pens are retaining on Graves for 5 years.
Why would the penguins trade for Knight when they got 2 better younger goalies in their system right now?

What's the point of trading out Rakell if you are only going to sign 32 year old Toffoli. None of that makes any sense. They don't need any more old players.
Ditto with Stamkos. He's 35 next year.