The injury occurred Dec. 21 in Cardales, Argentina, where the Argentine and a group of friends often meet to play soccer.
The 38-year-old winner of the WorldCom Classic and the National Car Rental Classic suffered a hairline fracture in his lower left arm and will be in a cast for three weeks. He hopes to return in time for the Nissan Open Feb. 14.
Coceres and Phil Mickelson are the only two eligible players to miss the season-opening Mercedes Championships in Kapalua, Hawaii.
Mickelson told officials that he wanted to be home with his family, which includes his two-month-old daughter. A two-time winner last year, Mickelson hasnt played since the NEC Invitational in August.
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