National League East

Lineup for 1969-1992

 * Chicago Cubs
 * Montreal Expos
 * New York Mets
 * Philadelphia Phillies
 * Pittsburgh Pirates
 * St. Louis Cardinals

Changes from 1968

 * Creation of division due to 1969 expansion

Lineup for 1993

 * Chicago Cubs
 * Florida Marlins
 * Montreal Expos
 * New York Mets
 * Philadelphia Phillies
 * Pittsburgh Pirates
 * St. Louis Cardinals

Changes from 1992

 * The Florida Marlins were added in the 1993 expansion

Lineup for 1994-2004

 * Atlanta Braves
 * Florida Marlins
 * Montreal Expos
 * New York Mets
 * Philadelphia Phillies

Changes from 1993

 * The Chicago Cubs, Pittsburgh Pirates, and St. Louis Cardinals moved into the newly created NL Central division due to the 1994 MLB realignment
 * The Atlanta Braves moved in from the NL West

Current Lineup

 * Atlanta Braves
 * Florida Marlins
 * New York Mets
 * Philadelphia Phillies
 * Washington Nationals

Changes from 2004

 * The Montreal Expos became the Washington Nationals