National League West

Lineup for 1969-1992

 * Atlanta Braves
 * Cincinnati Reds
 * Houston Astros
 * Los Angeles Dodgers
 * San Diego Padres
 * San Francisco Giants

Changes from 1968

 * Creation of division due to 1969 expansion

Lineup for 1993

 * Atlanta Braves
 * Cincinnati Reds
 * Colorado Rockies
 * Houston Astros
 * Los Angeles Dodgers
 * San Diego Padres
 * San Francisco Giants

Changes from 1992

 * The Colorado Rockies were added in the 1993 expansion

Lineup for 1994-1997

 * Colorado Rockies
 * Los Angeles Dodgers
 * San Diego Padres
 * San Francisco Giants

Changes from 1993

 * The Cincinnati Reds and Houston Astros moved into the newly created NL Central division due to the 1994 MLB realignment
 * The Atlanta Braves moved into the NL East

Current Lineup

 * Arizona Diamondbacks
 * Colorado Rockies
 * Los Angeles Dodgers
 * San Diego Padres
 * San Francisco Giants

Changes from 1997

 * The Arizona Diamondbacks were added in the 1998 expansion