 Complete the following phrase:  Leitner made his first start of the 201213 season in a 21 loss against Bayern Munich in the DFL-Supercup. After the departure of Shinji Kagawa, he received more game time, making 30 appearances. Due to the impressive performances of Mario Götze, however, only ten of these were as a starter and he spent most of the 201213 season on the substitutes bench. He appeared as an unused substitute in the 