Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
The 2013 Audi Cup was the third edition of the Audi Cup, a two-day association football tournament that featured four teams, and was played at the Allianz Arena in Munich, Germany. The competition hosted the 2009 Audi Cup winners Bayern Munich, the 2012 Copa Sudamericana champions São Paulo, the 2011–12 Premier League champions Manchester City and perennial Serie A contenders Milan. The English and Brazilian clubs made their first appearances in the competition, while Bayern, as hosts, and Milan have been present in every Audi Cup so far. The winners of the tournament were Bayern Munich, who beat Manchester City 2–1 in the final. Milan defeated São Paulo 1–0 in the third place play-off.
Prior to the semi-final match between Bayern Munich and São Paulo, as the Bayern goalkeepers were warming up, advertising billboards located around the field were showing fan messages published via their Twitter profiles using the hashtag #HelloAudiCup. One of the displayed messages stated, "Ei, Douglas, vai tomar no cu" ("Hey, Douglas, go fuck yourself!"). It was sent by @DarkFabuloso, a fake profile that satirizes São Paulo player Luís Fabiano, and was inadvertently approved by the staff responsible for selecting and displaying the messages.
The competition took the format of the latter stages of a regular knock-out competition. The winners of each of the two matches on the first day competed against each other for the Audi Cup, whilst the two losing sides playing in a third-place match. The trophy was contested over two days, each day seeing two matches played back-to-back. The official matchups were announced on 19 June 2013.
Bayern Munich (2nd title)
Manchester City
Milan
São Paulo
Edin Džeko
Mario Mandžukić
3'
Manchester City
Aleksandar Kolarov (Manchester City)
Álvaro Negredo (Manchester City)
Kingsley Boateng (Milan)
