After taking a 3-0 series lead against the Philadelphia 76ers, the Boston Celtics fell in Game 4 of their second round series, which means they’re now headed home for a potential close-out Game 5 in front of their fans. Unfortunately, they may have to do so without the services of backup point guard Shane Larkin.

According to A. Sherrod Blakely of NBC Sports Boston, guard Shane Larkin is dealing with a shoulder injury suffered early in Game 4 of the Sixers series.

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He’s playing the role of backup point guard with Kyrie Irving out and Terry Rozier having to start for Boston. He’s averaged 3.7 points, 1.0 rebounds, 1.8 assists, and 0.5 steals in 11 playoff appearances this season. If he’s unable to go, Rozier and Marcus Smart, who recently came back from a thumb injury, will likely take on his minutes and see a heft amount of playing time as the Celtics look to eliminate the Sixers.