Visiting RB Leipzig won 1-0 at Heidenheim on Sunday for a fifth clean sheet from six Bundesliga matches to briefly go top of the table. Lois Openda drilled home the winner in the 59th minute after being released by Antonio Nusa and beating goalkeeper Kevin Müller into the near corner from a tight right angle. Leipzig thought they had broken the deadlock seven minutes earlier after a cagey first half. But the goal from Benjamin Sesko’s header was nullified upon review because Willi Orban had stepped on the foot of Patrick Mainka which did not allow him to jump. Opennda also hit the post late in…