LA QUINTA, Calif. ó Phil Mickelson said he will make ďdrastic changesĒ because of federal and California state tax increases.

ďItís been an interesting offseason,Ē Mickelson said Sunday after the final round of the Humana Challenge. ďAnd Iím going to have to make some drastic changes. Iím not going to jump the gun and do it right away, but I will be making some drastic changes.Ē

The 42-year-old golfer said he would talk in more detail about his plans ó possibly moving away from California or even retiring from golf ó before his hometown Farmers Insurance Open, the San Diego-area event that starts Thursday at Torrey Pines.

ďIím not sure what exactly, you know, Iím going to do yet,Ē Mickelson said. ďIíll probably talk about it more in depth next week. Iím not going to jump the gun, but there are going to be some. There are going to be some drastic changes for me because I happen to be in that zone that has been targeted both federally and by the state and, you know, it doesnít work for me right now. So Iím going to have to make some changes.Ē

In November, California voters approved Proposition 30, the first statewide tax increase since 2004. Mickelson lives in Rancho Santa Fe.

ďIf you add up all the federal and you look at the disability and the unemployment and the Social Security and the state, my tax rateís 62, 63 percent,Ē Mickelson said. ďSo Iíve got to make some decisions on what Iím going to do.Ē

Last year, Mickelson flirted with becoming a part owner of the San Diego Padres, the baseball team that sold for $800 million in August. He was asked Sunday if there was a correlation between the tax increases and what happened to the Padresí deal.

ďAbsolutely,Ē Mickelson said.

He later explained why he was waiting to provide more details.

ďIíll probably be in the media center, and Iíll probably be a little more open to it because San Diego is where a lot more things, itís where I live, itís where the Padre thing was a possibility, and itís where my family is,Ē Mickelson said. ďAnd it just seems like a better fit than right here off of 18 on Palm Springs.Ē

Mickelson closed with a 66 on Sunday to tie for 37th at 17 under in his season debut.

The tournament was his first since the HSBC Champions in early November in China. The Hall of Famer has 40 PGA Tour victories.