In a significant setback to the Boston Celtics‘ expects of a long run, shield Marcus Smart has suffered a torn left oblique and could skip the opening two rounds of this Eastern Conference playoffsa league source told .

Smart has played this season to a tantamount role for the s, and also a tough pathway to emerge of this East only grows more challenging with the shield’s reduction.

Smart has been Hurt in a House loss to the Orlando Magic on Sunday.

Smart, 25, has averaged 8.9 points, 2.9 rebounds and four assists, but his defense and grittiness separates himespecially in the play offs.

will play with the Indiana Pacers at a best-of-seven first-round series.

After chasing Evan Fournier down the lane on Sunday, Smart was injured when he bumped into Magic centre Nikola Vucevic and crashed into the bottom, holding his side.

eventually called a timeout, and Smart limped into the bench — only to convince the training team that he was and could stay in the match. But following the s had the ball to get one offensive possession — about which Smart clearly moved forward — Smart called to restore him because he limped back before falling into the bottom, holding his side.

“He felt as though it had been spasming on this moment trip down the court,” coach Brad Stevens said after Sunday’s match.

Smart hobble into the lockerroom together with assistance from the coaches and would eventually get into his feet.

Info from ’s Tim Bontemps was found in this report.