RB Leipzig ended a run of three straight Bundesliga defeats with a 2-0 victory over 10-man Union Berlin on Sunday to close in on the Champions League zone again. Lois Openda smashed into the top corner in the 10th minute for his 14th goal of the season in a scramble following a Leipzig free-kick. The hosts’ second also came off a dead ball situation when Benjamin Sesko nodded home David Raum’s free-kick at the near post three minutes after the restart. Sesko headed into the net again a few minutes later off a stunning Rabona pass (in which the kicking leg is crossed behind the back of the stan…