The term 'California Nine' refers to the nine professional baseball teams located in California. The most well-known of these teams is the San Diego Padres, which is a six-letter word that can be found in the crossword puzzle. The other eight teams are the Los Angeles Dodgers, San Francisco Giants, Oakland Athletics, Anaheim Angels, San Jose Giants, Fresno Grizzlies, Sacramento River Cats, and Visalia Rawhide. All of these teams are part of the Major League Baseball organization.