The Lakers and LeBron James are unsure when exactly he'll return from a groin injury, but he'll likely miss at least one to two weeks.

The Lakers, the league's best defense since Jan. 15, will have to rely more on that end of the floor to generate transition offense.

LeBron James suffered a groin strain Saturday that forced him from the court during the Los Angeles Lakers’ loss to the Boston Celtics and threatens to complicate the team’s push to the playoffs. Midway through the fourth quarter of Boston’s 111-101 victory over Los Angeles at TD Garden,