This Day in History: 2000-07-29

July 29, 2003: Red Sox third baseman Bill Mueller hits a grand slam home run in the seventh inning batting left-handed, and follows with a grand slam home run batting right-handed in the eighth leading his team to a 14-7 win over the Rangers; Mueller is the first player in MLB history to hit a grand slam home run in the same game batting and left and right-handed.