Toronto (39-20-4) is one point behind the Boston Bruins for second place in the Atlantic Division.
"I think it is something he needs to put to bed and get on with it," Maple Leafs coach Mike Babcock said of Tavares' return to New York. "The thing about fans is they pay their money and get to say whatever they want.
"He's a good man. He was good for their franchise. He's great for our franchise. He made a decision to come home. I don't know if anyone can fault you for that."
Tavares was quick to remind everyone how eager he was to help turn the Islanders around when they selected him with the No. 1 pick in the 2009 NHL Draft. The work ethic was visible each day and his willingness and ability to put New York on his back became normalcy.
That won't matter to the majority of what will surely be a packed Coliseum. It's hardly something he's unaware of.
"I don't really try to worry about it," Tavares said. "Like I've said many times, since Day One when I was drafted there, I fully embraced being an Islander. I loved it and I gave everything I had.
"Whatever it is now, it's not up to me to convince anybody of that. I've got enough to worry about just trying to play my game and help the Maple Leafs. That's what I'm going to do.
"Obviously, it's hard to say what I'll feel. I'm sure it'll be an emotional evening. But at the same time, I want to try to focus on playing and just go out there and do what I have to do."
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Islanders forward Matt Martin, who played with Tavares from 2010-16, told NHL.com the two spoke last June, when Tavares wrestled with his decision in free agency. Martin said it was by no means a slam dunk Tavares would sign with Toronto.
"I don't think he had any intentions on it going down, I guess, the way it did," said Martin, who was reacquired by New York from Toronto on July 3, 2018. "He deeply cared about this organization. He loved Long Island. He always speaks highly of this team and living here. It played out the way it played out, but this is what makes sports great. The fans take stuff like this personally, and they should. They watched him grow up, they watched all of us grow up, and they feel connected to you. When you leave, they get upset. That's just part of it.
"We care about Johnny as a friend and as a person, but we still want to beat them on Thursday and our crowd is going to be rambunctious for sure. I think it'll be one of the better environments that we've played in. That'll be our focus. I think our fans will have a little bit of another focus, but our focus will be just finding a way to win continue to stay where we are."
What can't be lost in all of this is how the Islanders have fared in their first season without Tavares. Following a change in infrastructure after New York failed to clinch a playoff berth for a second straight season, Lou Lamoriello was hired on May 22, 2018, to run the franchise. He fired Garth Snow as general manager and coach Doug Weight on June 5 and hired Barry Trotz, fresh off a Stanley Cup championship with the Washington Capitals, as Weight's replacement on June 21.
In Trotz's first season as coach, New York (36-19-7) has gone from allowing the most goals in the NHL (293) to the fewest (144) and enter Thursday tied with the Capitals for the first place in the Metropolitan Division.
"They deserve a ton of credit," Tavares said. "They're having a tremendous season. Obviously, to go from last in a lot of defensive categories to one in pretty much all of them is extremely impressive. They're obviously having a heck of a year and a really good hockey team. It should be a tough game tomorrow night and it's going to be a challenge for us."
-- NHL.com staff writer Mike Zeisberger contributed to this story