But as an interview with the Boston Globe attests, he had as little love for the city of Cleveland as he did the Cavs.
On Wednesday, Irving added even more fuel to the fire with his comments before Boston's preseason game against the Charlotte Hornets, making it very clear that he already prefers playing in Boston over Cleveland.
"It's a really major city". And then you move to the East Coast - into Boston - and it's so real [and] alive.
"I don't know. He can do what he wants to do", Lue said Friday, when asked if Irving was trying to fan flames before he and the Celtics arrive Tuesday in Cleveland for the season opener. The one from which he demanded a trade and then ended up in a place he calls "a real, live sports city".
Danny realizes that he treated Isaiah terribly after everything he had done for the Celtics, and understands why the pair may never speak, but also notes that breaking relationships with players, no matter how strong, just comes with the job of being an NBA General Manager.
In Wednesday night's game, Irving had his best outing as a member of the Celtics, posting 16 points on 7-of-11 shooting, along with five rebounds, 10 assists and a steal in 27 minutes.
The Cavaliers nabbed him with the first overall pick in the 2011 NBA Draft and made him the centerpiece of their organization - until LeBron James came back, that is.