The Celtics today announced that an MRI revealed that Marcus Smart suffered a partially torn abdominal muscle that will force him to miss the next 4 to 6 weeks.
From the official release: Smart "suffered a partial avulsion of his left oblique abdominal muscle off of his iliac crest. The injury occurred at 6:44 in the third quarter of Sunday’s game against Orlando, following contact with the Magic’s NikolaVucevic. Smart is currently expected to return to basketball activities in 4-6 weeks. Further updates will be provided as appropriate."