In stoppage time former Barca forward Munir El Haddadi broke through on goal for Leganes but was foiled by a superb Martinez tackle which clinched his side's win. "The last save (by Martinez) was unbelievable," said Flick. "Everyone celebrated this as if it was a goal."

Barcelona needed an own goal to eke out a 1-0 win at relegation-threatened Leganes and protect its lead of the Spanish league.

Barcelona extended their lead at the top to seven points with a 1-0 win at Leganes thanks to an own goal by defender Jorge Saenz on Saturday that took their unbeaten LaLiga run to 13 matches.