A victim with non-life threatening injuries was taken to Massachusetts General Hospital, Boston police spokesman David Estrada told the Globe.
CBS Boston reports the stabbing occurred in the "balcony area" of TD Garden at approximately 9:45 p.m., just before the end of the game.
No arrests have been made.
The Celtics won, 95–92
This story is ongoing and additional information will be provided as it becomes available.
- Mike Fiammetta