Phil Mickelson will not be playing in the Arnold Palmer Invitational because of personal reasons, Palmer told the Sentinel on Thursday.
Mickelson, 43, missed the cut at the Palmer Invitational last season after shooting 73 and 79 the first two days at Bay Hill.
"He's got some family situation," Palmer said. "Phil has been very good showing up. He has come here through the years and supported the tournament. I can see occasionally when a man needs to take a little time and get his thoughts and his family and all his business settled, so I'm satisfied."
Mickelson's best finish this season has been 19th at the AT&T Pebble Beach National Pro-Am.
Palmer said he expects defending champion Tiger Woods to play. Woods, who has been bothered recently by back spasms, has won the Palmer Invitational eight times.
Woods tied Sam Snead for the most times winning a single PGA event last March.
The Arnold Palmer Invitational at Bay Hill is set for March 17-23.
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