Union Berlin have concluded a turbulent week, in which they had coach Nenad Bjelica suspended for three games, with a 1-0 win against Darmstadt on Sunday. Benedict Hollerbach scored the winner in the 62nd minute to give Union important three points in the relegation battle. They sit 15th, but now five points ahead of Cologne, the first team in the drop zone. Darmstadt, meanwhile, sit bottom of the table. Union had a turbulent week that started with a 1-0 defeat in the postponed game at Bayern Munich on Wednesday. During the game, coach Bjelica hit Bayern winger Leroy Sané in the face as the pl…