Young Melbourne Heart striker Eli Babalj has signed with former European champions Red Star Belgrade. Babalj, 20, caught the eye of Red Star coach Robert Prosinecki following a breakthrough A-League season where he scored nine times for Heart. "While Eli will undoubtedly be missed, we won't unreasonably stand in the way of any player seeking to take the next step in their career," new Heart head coach John Aloisi said. "Eli's transformation over the past 24 months has been obvious to see, and we are delighted to have been able to play a significant part in shaping his growing career." FIFA .