Prior to Game 3 of the Eastern Conference Finals, the Boston Celtics announced that Isaiah Thomas would be out for the remainder of the post-season due to a hip injury, and just about everyone considered their season to be over.

And after the Cavs built up a 21-point lead on their home floor in Game 3, it certainly appeared that way.

But thanks to an improbable comeback sparked by Jonas Jerebko and Marcus Smart, as well as an 11-point performance from LeBron, the Celtics shocked the world and stole Game 3 on a game-winning buzzer beater by Avery Bradley.

Game 4 is scheduled for tomorrow night in Cleveland. Check out #NBATwitter's reactions to last night's dramatic Game 3 below.