Speaking of offer sheets, I'd love it for a team to put one in on Samsonov. If both of these things happen, the offseason will have been a major success.
Pretty sure he'd need waivers at season start. The rule is 30 days, or 10 games before you have to clear again. Unless there's some offseason rules I'm not aware of.
I find it funny that anyone with a cap hit of $2m+ has trade protection in some form. I hope teams put the screws to them. They deserve a good swindling.