Union Berlin’s 1-0 Bundesliga win over Darmstadt has helped ease tensions around their coach Nenad Bjelica, managing director Oliver Ruhnert has suggested. Bjelica was suspended for three games by the national federation DFB after hitting Bayern Munich player Leroy Sané in the face during the teams’ match on Wednesday. The incident sparked a debate whether the only recently appointed Bjelica could continue. Ruhnert had not fully backed the coach before Sunday’s Darmstadt game but was more conciliatory after the win which saw Union move five points clear of the danger zone. “It is always unfort…