Complex sentence: Alvin Hugh McQuillan (September 15,1895--August 26,1947) was an American pitcher in Major League Baseball from 1918 to 1927.
Split into simpler sentences: Alvin Hugh McQuillan (September 15,1895--August 26,1947) was an American professional baseball player. He played in Major League Baseball as a pitcher from 1918 to 1927.