Babe Ruth was a professional baseball player.
Babe Ruth . In 1914 , Ruth was signed to play minor-league baseball for the Baltimore Orioles but was soon sold to the Red Sox . Minor League Baseball is a hierarchy of professional baseball leagues in the Americas that compete at levels below Major League Baseball ( MLB ) and provide opportunities for player development and a way to prepare for the major leagues . The World Series is the annual championship series of Major League Baseball ( MLB ) in North America , contested since 1903 between the American League ( AL ) champion team and the National League ( NL ) champion team .