Bayer Leverkusen extended their lead at the top of the Bundesliga to four points with an emphatic 4-0 victory over Eintracht Frankfurt.

Goals by Stefan Kiessling, Stefan Reinartz, Toni Kroos and Lars Bender ensured Jupp Heynckes' side claimed their seventh win of the season and remained unbeaten after 12 games.

The first goal came after just two minutes, Tranquillo Barnetta pouncing on a save by the Frankfurt goalkeeper and heading the ball on to Kiessling who fired it into the centre of the goal.