When the Los Angeles Rams began play in the fall of 1946 , they became the first major - league team in America to set up shop west of St. Louis , Missouri .
In January 1946 , the Cleveland Rams moved west to California .
When the Los Angeles Rams began play in the fall of 1946 , Cleveland Rams became the first major - league team in America to set up shop west of St. Louis , Missouri .
In January 1946 , the Cleveland Rams moved west to California .