Mark Francis O'Meara (born January 13, 1957) is an American retired professional golfer. He was a tournament winner on the PGA Tour and around the world from the mid-1980s to the late 1990s. He spent nearly 200 weeks in the top-10 of the Official World Golf Ranking from their debut in 1986 to 2000. He won two major championships, the 1998 Masters Tournament and the 1998 Open Championship, becoming... show more