Arizona Diamondbacks - Joined in 1998 as an expansion team Colorado Rockies - Joined in 1993 as an expansion team Los Angeles Dodgers - A founding member San Diego Padres - A founding member San Francisco Giants - A founding member Atlanta Braves - A founding member - moved to the NL East in 1994.
Arizona Diamondbacks - Incorporado en 1998 como equipo de expansión Colorado Rockies - Incorporado en 1993 como equipo de expansión Los Angeles Dodgers - Membro fundador San Diego Padres - Membro fundador San Francisco Giants - Membro fundador Atlanta Braves - Membro fundador; trasladado á NL East en 1994.