Mainz 05 lead Bayern Munich at the break thanks to Shawn Parker's effort.
Bayern Munich have been held in the first half of their Bundesliga clash against Mainz 05.
It was a sluggish start with fouls conceded from both sides, but when the game settled Stefan Bell for the visitors had the first effort. However, his header from a Johannes Geis free kick went wide.
Bayern did not have a genuine chance until 20 minutes in, when Dante rose high to meet a cross but planted his effort well wide of goal.
Mainz continued to play well and Shawn Parker was the next to have a sight of goal, but he blazed an effort from just outside the box high and wide.
Then Arjen Robben had the best chance of the half with 10 minutes to play. Mario Mandzukic nodded the ball back to him but Robben's skidding effort from the edge of the box went just wide.
However, just before the break dangerman Parker finished off a swift break to send his side in ahead.
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