Former Mainz boss Bo Svensson has been appointed Union Berlin coach, the club confirmed on Thursday. Denmark’s Svensson succeeds Nenad Bjelica who had to go in early May, and caretaker Marco Grote. Union gave no details such as the length of Svensson’s contract. The club said the decision was reached in close cooperation with incoming new professional football managing director Horst Heldt, and his predecessor Oliver Ruhnert. “We have decided for a fresh sporting start in summer and are convinced that Bo Svensson is a coach who fits well into our club,” Union president Dirk Zingler said in a s…