The injury happened on Sunday in the first quarter of the game against the Knicks.
Davis was averaging over 18 points and 10 rebounds a game.
Entering play Sunday, he led the NBA with 3.9 blocks per game.
The Pelicans are currently 9-8 on the young season.
New Orleans -- New Orleans Pelicans forward Anthony Davis has broken his left hand during a game against the New York Knicks, and the team said a timetable for his return is to be determined.
The second-year star was injured in the first half Sunday. The Pelicans said the injury was a non-displaced fracture of his hand.
Davis was averaging 19.6 points and 10.6 rebounds entering the game.
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