The Boston Globe (Marc Spears) reports: Celtics president Danny Ainge said early this morning that injured forward Kevin Garnett will be out 2-3 weeks with a posterior muscle strain of the right knee. The All-Star suffered the injury during the second quarter of Thursday’s loss at Utah. editor says: No worries. Glen ‘Big Baby’ Davis will average 25 points, 23 rebounds and 20 assists per game while KG heals up.