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
1950 College World Series no preliminary round of play, as teams were selected directly into the College World Series. From 1947 to 1949, there likewise was no preliminary round, as the teams were chosen based on committee selections, conference champions, and district playoffs. From 1954 to the present, teams compete in the NCAA Division I Baseball Tournament preliminary round(s), to determine the eight teams that play in the College World Series. <onlyinclude></onlyinclude> 1950 College World Series The College World Series was the fourth NCAA-sanctioned baseball tournament that determined a national champion. The tournament was held as the conclusion of the 1950 NCAA baseball season