Complex sentence: They started as the Medford Nuggets in 1948 and played their home games at the Jackson County Baseball Park in Medford, Oregon and were an affiliate of the Brooklyn Dodgers in 1948 and the New York Giants in 1950 and were unaffiliated in 1949 and 1951.
Split into simpler sentences: They started as the Medford Nuggets in 1948 and played their home games at the Jackson County Baseball Park in Medford, Oregon. They were an affiliate of the Brooklyn Dodgers in 1948 and the New York Giants in 1950 and were unaffiliated in 1949 and 1951.