NEW YORK -- Baseball's Home Run Derby is expanding into a youth competition.

Major League Baseball said Wednesday that a Junior Home Run Derby will be conducted for players under 14 and under 12. The final will be at San Diego's Petco Park on July 9, three days before the All-Star Game and two days before the big league derby.

The competition will be conducted in partnership with youth organizations like the Boys & Girls Clubs of America and other baseball and softball organizations. It will be sponsored by T-Mobile, which also sponsors the big league derby.

More from FoxSports