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
Intellivision World Series Baseball of Daglow's 1971 mainframe baseball statistical simulation program, so that the MLBPA license could be acquired by Mattel and the game would accurately simulate the play of real Major League Baseball players. For economic reasons in mid-1983, Mattel withdrew from this plan at the last minute, and the designers were forced to replace actual players with the names of the "Blue Sky Rangers" Intellivision game design team. "Intellivision World Series Baseball" is also notable for the following innovations: Intellivision World Series Baseball Intellivision World Series Major League Baseball is a baseball sports game (1983), designed by Don Daglow and Eddie