Throughout the history of Major League Baseball (MLB), franchises have had various postseason and World Series droughts.
Furthermore, one franchise, the Cleveland Guardians, currently has a championship drought that pre-dates the expansion era.
Only one expansion franchise (the Seattle Mariners) has never won a pennant (i.e., the league championship, the two winners of which meet in the World Series).
Those teams which have never achieved a particular accomplishment in their franchise history are listed by the date they entered the leagues.
No league division champions were won in 1994 due to the players' strike that year.
* Because of the wild card postseason berth, the franchise has won two World Series championships (1997, 2003) without winning the division.
List begins with 1969, the time divisional play started in Major League Baseball.
In these instances, the World Series matchup ensured that one team would win the first championship in its history.
In these instances, the World Series matchup ensured that one team would lose the first championship in its history.