Mickelson and Trevor Immelman announced on Tuesday that they'll compete at the Charlotte PGA Tour event from April 30 through May 3. The field features nine of the top 14 in the world rankings.
Woods has until Friday to make a decision and traditionally waits until the last day. He last competed in Charlotte in 2007 and won the tournament.
Masters champion Angel Cabrera has also committed to play.
Copyright 2009 by The Associated Press
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