Yeah this came after Toronto approached him to say they wanted to move on from him. This is pretty well known.
“The family is going to move back to San Jose. Patrick Marleau has made it clear to the Toronto Maple Leafs that he’d like to get closer to his family once again, which means moving to the west coast area.”
He requested a trade to SJ. SJ didn’t want him at 6.25. At all actually until a week before the season when they needed a warm body and took him 700K