Tristan Thompson signing with the Boston Celtics isn't a game-changer for him and Khloe Kardashian ... other than the historic Boston-L.A. rivalry hitting closer to home.
Sources close to the couple tell TMZ ... Khloe and True will not be uprooting themselves from Los Angeles by moving to the East Coast with Tristan.
We're told Khloe plans on making extended visits to Boston with her 2-year-old tot to see her daddy when schedules allow for it ... but L.A. will remain home.
Our sources say True has her routine, her family and especially all of her beloved cousins in L.