It is essentially impossible and would be thoroughly unprecedented.
Just so you understand that.
There doesn’t seem to be one good reason, even up to 10 million good reasons, why he would want to do it.
Just so you understand that, too.
But what if?
What if, after nine years of pledging his heart, soul and loyalty to the Islanders only to be repaid with unvarnished organizational incompetence, John Tavares decides that, yes indeed, he wants to see life from the other side?