Complex sentence: John Frank "Chub" Sullivan (January 12,1856-September 12,1881), was a Major League Baseball first baseman who played for the Cincinnati Reds (1887-1888) and the Worcester Ruby Legs (1890).
Split into simpler sentences: John Frank "Chub" Sullivan (January 12,1856-September 12,1881), was a Major League Baseball first baseman. He played for the Cincinnati Reds (1887-1888) and the Worcester Ruby Legs (1890).