San Jose Red Sox  The San Jose Red Sox were a Boston Red Sox affiliate from 1947 to 1955, located in San Jose, California. They competed in the California League and they played at San Jose Municipal Stadium and won league championships in 1949 and 1953. After the end of their Red Sox affiliation, they changed the team name to the San Jose JoSox for two seasons before becoming the San Jose Pirates as a Pittsburgh Pirates affiliate in 1958. They moved to Las Vegas, Nevada on May 26, 1958 to become the Las Vegas Wranglers. San Jose would return to baseball when the San Jose Bees began operations in 1962.