David Gene Parker, nicknamed "the Cobra", is an American former professional baseball player. He played in Major League Baseball as a right fielder from 1973 to 1991. A seven-time All-Star, Parker won two National League batting titles and was the 1978 National League Most Valuable Player. He was a member of two World Series championship teams, winning with the Pittsburgh Pirates in 1979 and the Oakland Athletics in 1989.

The 1989 World Series was the championship series of Major League Baseball's (MLB) 1989 season. The 86th edition of the World Series, it was a best-of-seven playoff played between the American League (AL) champion Oakland Athletics and the National League (NL) champion San Francisco Giants. The Series ran from October 14 through October 28, with the Athletics sweeping the Giants in four games. It was the first World Series sweep since 1976, when the Cincinnati Reds swept the New York Yankees.