Iman Shumpert dislocated his shoulder

The New York Knicks finished the first half with a lead for once, 51-46 over the Boston Celtics ... as a result, the sacred laws of Knickdom dictated that something else had to go go wrong. That something was an injury to starting shooting guard Iman Shumpert, who is finished for the night after hurting his shoulder:

Iman Shumpert (dislocated left shoulder) will not return.

— NY_KnicksPR (@NY_KnicksPR) December 13, 2014

Shumpert busted that shoulder attempting to steal the ball from Jeff Green in the backcourt with 2:40 remaining in the second quarter. He immediately crumpled to the ground in what looked to be excruciating pain. Adding insult to (literal) injury, Shumpert was called for a foul on the play.

The struggling Shump was actually having a solid half, with five points on 2-3 shooting to go along with three assists, two steals and zero turnovers.

The Knicks were already thin at the wing position -- J.R. Smith is out with a heel injury. Fortunately, Tim Hardaway Jr. stepped up in a big way, with a team-high 12 points in the first half. He'll have to carry that solid play into the final two quarters if the Knicks are going to finally end their 10-game losing streak.