A golf cart accident is the cause of 's withdrawal from the Volunteers of America Classic, according to Golfweek's Beth Ann Nichols.
Kerr went one over in the first round before the LPGA announced Friday she wouldn't be competing any further. Her husband, Erik Stevens, said she and her caddie were involved in an accident that required hospitalization for "multiple serious injuries."
Kerr and Matt Gelczis were discharged late Friday afternoon.
The U.S. Women's Open tees off Dec. 10 at Champions Golf Club in Houston. Kerr was the 2007 champion, holding off Angela Park and Lorena Ochoa.