David Ross is the oldest player to hit a homerun in the World Series. It occurred during Game 7 of the 2016 MLB World Series, the last game of his career. He was 39 at the time. Ross has carried off the field in Cleveland after Game 7 of the World Series, giving him a storybook ending to his baseball career. After 15 years in the major leagues following the 2016 season, he had previously announced his retirement.