Baseball is a thoughtful sport marked by a storied history, long seasons, plenty of statistics, and a roster of teams that has grown steadily over time. That has caused some major changes in how the Major League Baseball postseason is structured. For this list of most successful MLB postseason teams, we’ve accounted for the team’s full record, including both regular and postseason games. For some teams, that includes the relatively new division series. For others, it includes only the league championship series and the World Series.
The league’s divisions, teams, and postseason format aren’t the only changes in baseball when these great teams played.