Brad Stevens said that Jared Sullinger's conditioning has improved, but hinted that he still has some work to do.
Jared Sullinger spent 11 weeks working with John Lucas this offseason.
Jared Sullinger said John Lucas told him to stop shooting 3-pointers and to get on the block.
Celtics GM Danny Ainge expressed during a recent interview that he feels Jared Sullinger will have a "terrific year" in Boston.
Celtics president Danny Ainge reiterated that extension talks with Jared Sullinger are still preliminary.
The Celtics have had preliminary contract talks with Jared Sullinger.
Gary Washburn of the Boston Globe expects Jared Sullinger to be a restricted free agent next summer.
Jared Sullinger has lost "quite a few pounds" this offseason.
Jared Sullinger recently posted some shirtless before-and-after pictures of himself showing the progress he's made this offseason with getting himself in shape.
Jared Sullinger's trainer, coach John Lucas, posted a picture of him lifting weights on Thursday.
Jared Sulinger has been working out in different locations and coach Brad Stevens said the forward "wants to be in the best shape of his life."
The Knicks and Celtics discussed a trade involving Jared Sullinger during the NBA draft, sources told ESPN New York.
Jared Sullinger has been running this offseason in an effort to come into the 2015-16 season in better shape.
Jared Sullinger, who has been working out at Ohio State with Evan Turner and Greg Oden, believes that everyone is doubting him.