Former Union Berlin coach Nenad Bjelica has returned to Croatian club Dinamo Zagreb after four and a half years away. The 53-year-old has signed a “multi-year contract,” the third-placed team in the Croatian league announced, without giving any further details. The 25-times Croatian champions parted company with coach Sergej Jakirovic after the 9-2 thrashing in the Champions League by Bayern Munich last week. Croatian Bjelica coached Dinamo from 2018 to 2020, winning two championships among other honours. The fiery coach had wanted to follow in the footsteps of Union icon Urs Fischer last seas…