Complex sentence: Charles Sebastian "Red" Dooin (June 12,1879--May 12,1952) was an American catcher and manager in Major League Baseball during the first two decades of the 20th century.
Split into simpler sentences: Charles Sebastian "Red" Dooin (June 12,1879--May 12,1952) was an American professional baseball player and manager. He plaed as a catcher in Major League Baseball during the first two decades of the 20th century.