Bayer Leverkusen boosted their Champions League hopes in the Bundesliga by winning as their rivals slipped up on Saturday while bottom club Greuther Fürth were relegated with three games remaining. Leipzig failed to repeat their midweek German Cup semi-final success over Union Berlin as late goals from substitutes Sven Michel and Kevin Behrens condemned them to a shock 2-1 defeat after Yussuf Poulsen’s opener. That allowed Leverkusen to go third on 55 points thanks to their 4-1 come-from-behind win in Fürth, which leaves the hosts 11 behind the play-off place and destined for the second divisi…