Report: Kemba Walker Out Until January Due to Knee Injury

Following consultation with multiple specialists in early October, Celtics guard Kemba Walker received a stem cell injection in his left knee, and was put on a 12-week strengthening program to prepare for the upcoming season. He is expected to return to on-court activities in early December, and a further update regarding his game availability will be provided during the first week of January.

Source: Boston Celtics