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(AP) -- LA QUINTA, Calif. (AP) - Phil Mickelson says he will make "drastic changes" because of federal and California state tax increases.

Speaking Sunday after the final round of the Humana Challenge, Mickelson said: "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 doesn't work for me right now.

So I'm going to have to make some changes."

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

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