Complex sentence: Scalissi also played for the Oshkosh All-Stars in the National Basketball League during the 1947--48 season, the forerunner to the modern National Basketball Association (NBA).
Split into simpler sentences: Scalissi also played for the Oshkosh All-Stars in the National Basketball League during the 1947--48 season. The National Basketball League was a forerunner to the modern National Basketball Association (NBA).