Complex sentence: Sumpter Mills Clarke (October 18,1897-March 16,1962) was a Major League Baseball outfielder for the Chicago Cubs and the Cleveland Indians from 1920 to 1924.
Split into simpler sentences: Sumpter Mills Clarke (October 18,1897-March 16,1962) was a Major League Baseball outfielder who played for three seasons. He played for the Chicago Cubs in 1920 and the Cleveland Indians from 1923 to 1924.