The Baltimore Orioles were a Major League Baseball team that was based in Baltimore, Maryland and played from 1882 through 1899. They played in the American Association from 1882 through 1891 and in the National League from 1892 through 1899. The Orioles used 10 Opening Day starting pitchers in their 18 years as a Major League Baseball franchise. The first game of the new baseball season for a team is played on Opening Day, and being named the Opening Day starter is an honor, which is often given to the player who is expected to lead the pitching staff that season, though there are various strategic reasons why a team's best pitcher might not start on Opening Day. The Orioles had a record of 10 wins and 8 losses in their Opening Day games.