Schmidt joined Leverkusen during the close season after an impressive tenure at Red Bull Salzburg and his transition appeared seamless against Dortmund in its Bundesliga opener.

Bellarabi got Leverkusen off to a record-breaking start at Signal Iduna Park as the winger netted inside nine seconds after producing a clever change of direction to beat Matthias Ginter, before beating Langerak to set a Bundesliga record.

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Bellarabi took the record, but which are the other fastest goals in BL history? Click on the link to find out more: http://t.co/KDeEGGTQCl — Infostrada Sports (@InfostradaLive) August 23, 2014

A day after his 26th birthday, Langerak played his part in an unwanted record as he tasted defeat for the first time in 11 Bundesliga starts.

Jurgen Klopp, entering his seventh season at Dortmund, had hoped to celebrate becoming the club's longest-serving coach with victory, but his side rarely troubled Bernd Leno in the visitor's goal.

A lack of fluency and fluidity in the Dortmund frontline proved to be a significant problem and Leverkusen eventually completed the victory in second-half stoppage-time, as Stefan Kiessling found the top-right corner in emphatic fashion.

Like Dortmund, Schalke also endured a troublesome start to the season as it was defeated 2-1 at Hannover.

Jens Keller came under fire after the club's 2-1 DFB-Pokal defeat to third-tier Dynamo Dresden earlier in the week and his side failed to muster a response here.

Schalke began the clash well as it dominated most of the first half and its superiority continued into the second period, as Eric Choupo-Moting set Klaas-Jan Huntelaar up for an easy tap-in.

However, Hannover battled back after the introduction of Hiroshi Kiyotake and Edgar Prib levelled in the 67th minute, tapping in Leonardo Bittencourt's inch-perfect right-wing cross.

Seemingly inspired by its equaliser, Hannover netted again just three minutes later as the unmarked Joselu stroked home on his first Bundesliga appearance for the club, securing a fine win.

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Werder Bremen also showcased admirable endeavour as it battled back from 2-0 down to draw 2-2 at Hertha Berlin.

Julian Schieber's double appeared to have secured Hertha all three points, but a quickfire double from Bremen early in the second half saw the spoils shared.

Assani Lukimya nodded Bremen back into the contest in the 53rd minute and Franco Di Santo then pounced on a rebound to knock home.

Hoffenheim cruised to a 2-0 victory at home to Augsburg thanks to goals from new signing Adam Szalai and Tarik Elyounoussi.

Eintracht Frankfurt also began its Bundesliga campaign victorious as it beat Freiburg 1-0, while newcomer Cologne held visitor Hamburg to a goalless draw.