World Series appeared in 9 and won 5. As of 2018, no team has won consecutive World Series championships since the New York Yankees in , , and —the longest such drought in Major League Baseball history. Until the formation of the American Association in 1882 as a second major league, the National Association of Professional Base Ball Players (1871–1875) and then the National League (founded 1876) represented the top level of organized baseball in the United States. All championships were awarded to the team with the best record at the end of the season, without a postseason series being played. From
2011 World Series as the Washington Senators), the team was the only one in Major League Baseball to never win a postseason series, and was one of three teams (along with the Seattle Mariners and the Washington Nationals) to never appear in the World Series. However, that season, the Rangers won their first postseason series and made their first appearance in the World Series, only to lose to the San Francisco Giants in five games. During the offseason, Chuck Greenberg, who purchased the Rangers from Tom Hicks during the 2010 season along with Nolan Ryan, sold his interest in the team to Ryan,