Source: Ohm Youngmisuk, ESPN New York 
Pierce’s frustrating start in his first season in Brooklyn now includes a nondisplaced fracture of the third metacarpal of his shooting hand.
Coach Jason Kidd said he did not know when Pierce injured his hand, but in a news release the team said he was hurt Friday in the first half of a loss at Houston.
The Nets acquired Pierce and Kevin Garnett in a summer blockbuster trade that put the Nets into title-contender status. But the NBA’s highest payroll has provided little bang for the buck, struggling with injuries and a lack of chemistry.Paul Pierce Out Two To Four Weeks by Charles Mager