WALTHAM — Rajon Rondo participated in a full-contact practice Saturday for the first time since undergoing knee surgery nearly 11 months ago, meaning the Celtics’ All-Star point guard is one step closer to returning.
But Rondo will not make his season debut this month — and January isn’t a guarantee, either, said Celtics president of basketball operations Danny Ainge.
“I don’t know a timetable,” Ainge said. “None of us do and none of us can. As we can recall from every one of these incidents that have happened from the past few years, it’s all just guessing. So it’s sort of silly to speculate.
“We’ll just take it week by week. He’s stepped it up — and after a few good practices, we’ll see if he can step it up more. But we’ll just take it week by week from here on out. Full story for BostonGlobe.com subscribers.