Complex sentence: Arizin chose to retire from the NBA rather than move with the Warriors to San Francisco, and played for three seasons with the Camden Bullets of the Eastern Professional Basketball League, winning the 1964 title.
Split into simpler sentences: Arizin chose to retire from the NBA rather than move with the Warriors to San Francisco. After retiring from the NBA, Arizin played for three seasons with the Camden Bullets of the Eastern Professional Basketball League, winning the 1964 title.