Garnett to be out weeks?

The Boston Herald is reporting that All-Star Forward Kevin Garnett could be out for weeks, rather than days. The abdominal muscle that KG hurt against Minnesota has kept him out for five games, in which the Celtics have went 3-2.
Since starting the Season 29-3, the Celtics have went 8-6. Garnett and Ray Allen have both missed some time during that span, but all that talk about 70 wins or more, has quickly faded. The Detroit Pistons are only three games back.
With or without KG, I don't see the Celtics finishing with the league's best record, but that doesn't matter, the playoffs matter.