The Washington Wizards announced that Ian Mahinmi has suffered a partially torn medial meniscus in his left knee.

The injury occurred in Thursday’s game vs. Philadelphia. An MRI performed on Friday revealed the partial tear and Mahinmi underwent successful surgery Friday evening.

The procedure was performed by team orthopedic surgeon Dr. Wiemi Douoguih of MedStar at Washington Hospital Center. Mahinmi is expected to miss approximately four to six weeks.