Giancarlo Stanton is not in the MLB.
Giancarlo Cruz Michael Stanton ( born November 8 , 1989 ) is an American professional baseball left fielder and right fielder for the Miami Marlins of Major League Baseball ( MLB ) . Stanton graduated from Notre Dame High School , before he was selected by the Marlins in the 2007 MLB draft . Stanton made his MLB debut with the Marlins in June 2010 .