Oakland faced the San Francisco Giants in the 1989 World Series and swept them in four games , although those games were played over a period of two weeks due to the 1989 Loma Prieta earthquake before the start of Game 3 . Henderson hit 4-for-13 ( .308 ) with two home runs and four RBIs during the series . For the 1989 postseason his batting average was .281 ( 9-for-32 ) with three home runs and nine RBIs , and he played center field throughout . This championship proved to be the only one of Henderson 's MLB career
1989 Loma Prieta earthquake
1989 Loma Prieta earthquake
Dave Henderson