Phil Mickelson won the Masters in 2004, so he was 33 years old at the time, just shy of his 34th birthday on June 16, 2004. He later won the Masters again in 2006, and has multiple major titles overall, but the question about the Masters win specifically points to age 33 at that victory. If you’re asking about the absolute latest Masters win age overall, he remains a Masters champion at 33 for the 2004 victory and 36 for the 2006 win, with later majors coming at older ages. For the most current updates on his Masters-related records, I can look up recent articles if you want.[7]
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