Brad Stevens, who has seen his fair …

Brad Stevens, who has seen his fair share of roster movement in his pro career, says he doesn’t expect the Celtics to undergo a major overhaul. “I don’t anticipate any huge changes with our team,” he said. “I think the only way we’d make a move is to improve… Our front office is good at what they do. If they decide to make a move, it’ll be to improve us and to add to the depth of a good team.”