<P> The field of players selected currently consists of four American League players and four National League players . The first Derby in 1985 featured five from each league , and the 1986 and 1987 events featured three and two players from each league , respectively . In 1996 , the field was again expanded to ten players , five from each league ( though in 1997 , the AL had six contestants to the NL 's four ) . </P>
who gets chosen for the home run derby
four American League players four National League players