Martin Harnik scored for Stuttgart. Bayern finished matchday 2 in first place. Bayern then faced Mainz 05 on 15 September, winning 3–1 through goals by Mandžukić, Schweinsteiger and Kroos. Ádám Szalai scored for Mainz. Bayern went on to face Valencia in Champions League on 19 September. Bayern won 2–1, where Schweinsteiger and Kroos scored for Bayern. Bayern faced Schalke 04 on 22 September. Bayern won 2–0 with goals from Kroos and Müller. Bayern faced VfL Wolfsburg on 25 September. Bayern won 3–0 with one goal from Schweinsteiger and two from Mandžukić. Bayern finished September with a league match against Werder Bremen on 29 September, where the club prevailed 2–0 via Luiz Gustavo and Mandžukić goals. Bayern faced BATE Borisov on 2 October. The loss ended Bayern's nine-match winning streak. Bayern faced 1899 Hoffenheim on 6 October. Bayern faced Fortuna Düsseldorf on 20 October. Bayern faced LOSC Lille on 23 October. Bayern faced Bayer Leverkusen on 28 October. Bayern faced 1. FC Kaiserslautern on 31 October. Bayern faced Hamburger SV on 3 November. Bayern faced LOSC Lille on 7 November. Bayern faced Eintracht Frankfurt on 10 November. Bayern faced 1. FC Nürnberg on 17 November. Bayern faced Valencia 20 November. Bayern faced Hannover 96 on 24 November. Bayern faced SC Freiburg on 28 November. Bayern faced Borussia Dortmund on 1 December. Bayern faced BATE Borisov on 5 December. Bayern faced FC Augsburg on 8 December. Bayern faced Borussia Mönchengladbach on 14 December. Bayern faced FC Augsburg on 18 December. The draw for the Champions League Round of 16 took place on 20 December. The result was that Bayern would face Arsenal. Bayern started January with mid-winter training on 3 January. Bayern had training in Qatar. Bayern defeated Lekhwiya SC, Schalke 04, FC Basel, and SpVgg Unterhaching during the mid-winter break. On 16 January, Pep Guardiola was announced as the new head coach for Bayern Munich. Guardiola is set to over for the incumbent Jupp Heynckes on 26 June, the start of pre-season training for the 2013–14 season.