Premise: Major League Baseball ( MLB ) is a professional baseball organization , the oldest of the four major professional sports leagues in the United States and Canada . Mickey Charles Mantle ( October 20 , 1931 -- August 13 , 1995 ) , nicknamed The Commerce Comet and The Mick , was an American professional baseball player . Mantle played his entire Major League Baseball ( MLB ) career with the New York Yankees as a center fielder and first baseman , from 1951 through 1968 . The New York Yankees are an American professional baseball team based in the New York City borough of the Bronx .
Hypothesis: Mickey Mantle was only ever an amateur.
Label: CONTRADICTION