The NBA roared back to life on Christmas Day with a slough of exciting games, tipping off with an epic matchup between two Atlantic Division rivals, the Boston Celtics and the New York Knicks at Madison Square Garden.
Boston came into the game winning its last eight contests with the Knicks, while New York entered the game loaded with returning starters Amar'e Stoudemire and Carmelo Anthony, now supported by new addition Tyson Chandler and the Knicks' supporting cast.
Despite Rajon Rondo's breakout game and a phenomenal performance off the bench by new Celtic Brandon Bass, the Celtics were without captain Paul Pierce due to a heel injury, hindering their effort against the Knicks and spelling the difference in this contest.
Boston came up just short, losing 106-104 at MSG on a missed game-tying shot by Kevin Garnett as time expired.
With 48 minutes of basketball now in the books, what can the Celtics take away from their regular-season opener?
Let's take a look at some of the things the Celtics learned in their early loss to the Knicks.