Giancarlo Stanton is in a league.
Giancarlo Stanton . Stanton made his MLB debut with the Marlins in June 2010 . He is a three-time MLB All-Star and was the Hank Aaron Award winner for the National League in 2014 after leading the league in home runs . Major League Baseball ( MLB ) is a professional baseball organization , the oldest of the four major professional sports leagues in the United States and Canada . A total of 30 teams now play in the National League ( NL ) and American League ( AL ) , with 15 teams in each league .