Union Berlin’s interim coach Marco Grote said the Berliners should take advantage of Cologne being in a worse position in their big Bundesliga relegation clash on Saturday. “Cologne’s situation is that they are under pressure to win the game. We want to win it too,” Grote, appointed for the rest of the season after the sacking of Nenad Bjelica on Monday, told a press conference. With a win on Saturday and a victory for Borussia Dortmund at Mainz, the fourth-bottom Berliners could secure their place in the Bundesliga with one matchday left. Cologne can only stay afloat with a win. The 52-year-o…