 Complete the following phrase:  Luiz Gustavo began the 201213 season by featuring in Bayerns 21 win over Borussia Dortmund in the DFL-Supercup on 12 August. He scored four times in 22 matches as they won the league title. On 25 May 2013, Luiz Gustavo appeared as an added-time substitute for Franck Ribéry as Bayern defeated Borussia Dortmund 21 in the 