Bayern Munich come from behind to return to the Bundesliga summit

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Bayern Munich scored four times in the second half as Pep Guardiola's side came from behind to beat Mainz 4-1 and return to the top of the Bundesliga.

Former Chelsea forward Arjen Robben cancelled out Shawn Parker's surprise 44th minute goal for the visitors.

Bayern fans were still celebrating the equaliser when Thomas Muller made it 2-1 in the 52nd minute, Mario Mandzukic adding a third in the 69th minute.

Muller scored a late penalty after Bastian Schweinsteiger was pushed.

Pep Guardiola's seventh win in nine league games gives them a one point lead over Bayer Leverkusen, who started the day top of the table after their controversial win over Hoffenheim on Friday.

Hoffenheim are set to protest against a freak goal awarded to Leverkusen when Stefan Kiessling headed the ball through a hole in the side of the net.

Referee Felix Brych failed to spot that Kiessling's header flew wide of the post in the 70th minute of Leverkusen's 2-1 win.

Leverkusen are joined on 22 points by Borussia Dortmund, who won 1-0 at home to Hannover.

The winning goal for Dortmund, who are away to Premier League leaders Arsenal in the Champions League on Tuesday, came from a fourth minute penalty by Germany winger Marco Reus.

It was awarded after Japan defender Hiroki Sakai fouled left-back Erik Durm in the area.

Schalke, who host Chelsea in the Champions League on Tuesday, won 3-2 at Eintracht Braunschweig thanks to a 91st-minute winner from Roman Neustaedter.

Nuremberg drew 1-1 at Eintracht Frankfurt and Werder Bremen drew 0-0 with visiting Freiburg.