 Bayern Munich went back in front in the 53rd minute as Robert Lewandowski mismatched Skhodran Mustafi to head home Philipp Lahm's cross.Then, only three minutes later, Spanish midfielder Thiago made it 3–1 and sooner Bayern Munich were 4–1 up through Thiago's deflected shot from outside the penalty area following a scramble in the box.Finally in the 88th minute Thomas Müller, who had only scored four goals this season before the match, went off the bench and scored a fifth goal for Bayern Munich to put Arsenal's hopes of reaching the quarter-final of the Champions League beyond them.