Bayer Leverkusen started the 2009–10 season on 31 July 2009 in the DFB-Pokal.[1] Bayer Leverkusen defeated SV Babelsberg 1–0 in the first round on 31 July 2009.[2]Eren Derdiyok scored the only goal of the match.[2] Bayer Leverkusen's opening match of the Bundesliga happened on 8 August 2009 against 1. FSV Mainz 05.[1] The match finished in a 2–2 draw.[3] Eren Derdiyok and Stefan Kießling scored for Bayer Leverkusen.[3]Tim Hoogland and Daniel Gunkel scored for Mainz.[3] Bayer Leverkusen finished matchday one tied for eighth place.[4] Matchday two happened on 15 August 2009 against 1899 Hoffenheim.[1] Bayer Leverkusen won 1–0 with a goal from Stefan Kießling.[5] Bayer Leverkusen finished matchday two in sixth place.[6] Matchday three happened on 22 August 2009 against SC Freiburg.[1] Bayer Leverkusen won the match 5–0.[7] Eren Derdiyok scored two goals, Tranquillo Barnetta scored two goals, and Stefan Kießling scored a goal.[7] Bayer Leverkusen finished matchday three in first place.[8] Matchday four happened on 29 August 2009 against VfL Bochum.[1] Bayer Leverkusen won 2–1.[9]Manuel Friedrich and Stefan Kießling scored for Bayer Leverkusen.[9] Bochum's goal came from an own goal from Manuel Friedrich.[9] Bayer Leverkusen finished matchday four in second place.[10]
September
Matchday five happened on 12 September 2009 against VfL Wolfsburg.[1] Bayer Leverkusen won 3–2.[11]Simon Rolfes and Stefan Kießling scored for Bayer Leverkusen.[11] Rolfes scored two goals, including one from the penalty spot.[11] Wolfsburg got goals from Zvjezdan Misimović and Grafite, who scored from the penalty spot.[11] Bayer Leverkusen striker Eren Derdiyok and Wolfsburg goalkeeper Diego Benaglio were sent-off.[11] Bayer Leverkusen finished matchday five in second place.[12] Matchday six happened on 20 September 2009 against Werder Bremen.[1] The match finished in a 0–0 draw.[13] After matchday six, Bayer Leverkusen were in second place.[14] On 23 September 2009, Bayer Leverkusen were defeated 2–1 by 1. FC Kaiserslautern in the second round of the DFB-Pokal.[15] Kaiserslautern took a 2–0 lead with goals from Sidney Sam and Erik Jendrišek.[15]Theofanis Gekas scored late in the match to pull a goal back for Bayer Leverkusen.[15] Matchday seven happened on 26 September 2009 against 1. FC Köln.[1] Bayer Leverkusen won 1–0 with a goal from Simon Rolfes.[16] Köln midfielder Maniche was sent-off during the match.[16] Bayer Leverkusen finished matchday seven in second place.[17]
October
Matchday eight happened on 3 October 2009 against 1. FC Nürnberg.[1] Bayer Leverkusen won 4–0 with goals from Toni Kroos, Simon Rolfes, Eren Derdiyok, and Stefan Kießling.[18] Bayer Leverkusen finished matchday eight in first place.[19] Matchday nine happened on 17 October 2009 against Hamburger SV.[1] The match finished in a 0–0 draw.[20] After matchday nine, Bayer Leverkusen were in first place.[21] Matchday 10 happened on 23 October 2009 against Borussia Dortmund.[1] The match finished 1–1.[22] Manuel Friedrich scored for Bayer Leverkusen and Lucas Barrios scored for Borussia Dortmund.[22] Bayer Leverkusen finished matchday 10 in first place.[23] Matchday 11 happened on 31 October 2009 against FC Schalke.[1] The match finished in a 2–2 draw.[24] Toni Kroos and Stefan Kießling scored for Bayer Leverkusen and Kevin Kuranyi and Vicente Sánchez scored for Schalke.[24] Bayer Leverkusen finished matchday 11 in first place.[25]
November
Matchday 12 happened on 6 November 2009 against Eintracht Frankfurt.[1] Bayer Leverkusen won 4–0 with goals from Stefan Kießling, Stefan Reinartz, Toni Kroos, and Lars Bender.[26] Bayer Leverkusen finished matchday 12 in first place.[27] Matchday 13 happened on 22 November 2009 against Bayern Munich.[1] The match finished in a 1–1 draw.[28] Stefan Kießling scored for Bayer Leverkusen and Mario Gómez scored for Bayern Munich.[28] Bayer Leverkusen finished matchday 13 in first place.[29] Matchday 14 happened on 29 November 2009 against VfB Stuttgart.[1] Bayer Leverkusen won 4–0 with three goals from Stefan Kießling and a goal from Eren Derdiyok.[30] Bayer Leverkusen finished matchday 14 in first place.[31]
December and January
Matchday 15 happened on 5 December 2009 against Hannover 96.[1] The match finished in a 0–0 draw.[32] Bayer Leverkusen finished matchday 15 in first place.[33] Matchday 16 happened on 11 December 2009 against Hertha BSC.[1] The match finished in a 2–2 draw.[34] Toni Kroos and Burak Kaplan scored for Bayer Leverkusen.[34]Adrián Ramos scored two goals for Hertha BSC.[34]Gojko Kacar was sent-off during the match.[34] Bayer Leverkusen finished matchday 16 in first place.[35] Matchday 17 happened on 19 December 2009 against Borussia Mönchengladbach.[1] Bayer Leverkusen won the match 3–2.[36] Bayer Leverkusen got two goals from Toni Kroos and a goal from Eren Derdiyok.[36]Roel Brouwers and Dante scored for Borussia Mönchengladbach.[36] Bayer Leverkusen finished matchday 17 in first place.[37] Matchday 18 happened on 16 January 2010 against Mainz.[1] Bayer Leverkusen won 4–2.[38]Michal Kadlec, Tranquillo Barnetta, Toni Kroos, and Eren Derdiyok scored for Bayer Leverkusen.[38] Tim Hoogland and Niko Bungert scored for Mainz.[38] Bayer Leverkusen finished matchday 18 in first place.[39] Matchday 19 happened on 24 January 2010 against 1899 Hoffenheim.[1] Bayer Leverkusen won 3–0 with goals from Sami Hyypiä, Toni Kroos, and Tranquillo Barnetta.[40] Bayer Leverkusen finished matchday 19 in first place.[41] Matchday 20 happened on 31 January 2010 against Freiburg.[1] Bayer Leverkusen won 3–1.[42] Stefan Kießling, Eren Derdiyok, and Sami Hyypiä scored for Bayer Leverkusen.[42]Felix Bastians scored for Freiburg.[42] Bayer Leverkusen finished matchday 20 in first place.[43]
February
Matchday 21 happened on 6 February 2010 against Bochum.[1] The match finished in a 1–1 draw.[44] Eren Derdiyok scored for Bayer Leverkusen.[44]Zlatko Dedić scored for Bochum.[44] Bayer Leverkusen finished matchday 21 in first place.[45] Matchday 22 happened on 13 February 2010 against Wolfsburg.[1] Bayer Leverkusen 2–1.[46] Bayer Leverkusen finished matchday 22 in first place.[47] Matchday 23 happened on 21 February 2010 against Werder Bremen.[1] The match finished in a 2–2 draw.[48] Eren Derdiyok and Toni Kroos scored for Bayer Leverkusen.[48]Claudio Pizarro and Per Mertesacker scored for Werder Bremen.[48] Bayer Leverkusen finished matchday 23 in first place.[49] Matchday 24 happened on 27 February 2010 against Köln.[1] The match finished in a 0–0 draw.[50] Bayer Leverkusen finished matchday 24 in second place.[51]
March
Matchday 25 happened on 7 March 2010 against Nürnberg.[1] Bayer Leverkusen lost the match 3–2.[52] This was Bayer Leverkusen's first loss of the season.[52] Stefan Kießling and Patrick Helmes scored for Bayer Leverkusen.[52] Nürnberg got two goals from Eric Maxim Choupo-Moting and a goal from Mickaël Tavares.[52] Bayer Leverkusen finished matchday 25 in third place.[53] Matchday 26 happened on 14 March 2010 against Hamburg.[1] Bayer Leverkusen won the match 4–2.[54] Bayer Leverkusen got two goals from Stefan Kießling, a goal from Eren Derdiyok, and a goal from Gonzalo Castro.[54]Zé Roberto and David Rozehnal scored for Hamburg.[54] Bayer Leverkusen finished matchday 26 in third place.[55] Matchday 27 happened on 20 March 2010 against Borussia Dortmund.[1] Borussia Dortmund won the match 3–0 with two goals from Lucas Barrios and a goal from Dimitar Rangelov.[56] Bayer Leverkusen finished matchday 27 in third place.[57] Matchday 28 happened on 27 March 2010 against Schalke.[1] Schalke won 2–0 with two goals by Kevin Kuranyi.[58] Bayer Leverkusen finished matchday 28 in third place.[59]
April and May
Matchday 29 happened on 3 April 2010 against Eintracht Frankfurt.[1] Bayer Leverkusen lost 3–2.[60] Stefan Kießling scored twice for Bayer Leverkusen.[60] Eintracht Frankfurt got goals from Selim Teber, who scored from the penalty spot; Caio; and Maik Franz.[60]Daniel Schwaab was sent-off during the match.[60] Bayer Leverkusen finished matchday 29 in third place.[61] Matchday 30 happened on 10 April 2010 against Bayern Munich.[1] The match finished in a 1–1 draw.[62]Arturo Vidal scored for Bayer Leverkusen and Arjen Robben scored for Bayern Munich.[62] Bayer Leverkusen finished matchday 30 in third place.[63] Matchday 31 happened on 17 April 2010 against Stuttgart.[1] Bayer Leverkusen lost the match 2–1.[64] Stefan Kießling scored for Bayer Leverkusen and Cacau scored two goals for Stuttgart.[64] Tranquillo Barnetta was sent-off during the match.[64] Bayer Leverkusen finished matchday 31 in fourth place.[65] Matchday 32 happened on 24 April 2010 against Hannover.[1] Bayer Leverkusen won the match 3–0 with two goals from Stefan Kießling and a goal from Burak Kaplan.[66] Bayer Leverkusen finished matchday 32 in fourth place.[67] Matchday 33 happened on 1 May 2010 against Hertha BSC.[1] The match finished in a 1–1 draw.[68] Manuel Friedrich scored for Bayer Leverkusen and Raffael scored for Hertha BSC.[68] Bayer Leverkusen finished the matchday 33 in fourth place.[69] Matchday 34, the final matchday, happened on 8 May 2010 against Borussia Mönchengladbach.[1] The match finished in a 1–1 draw.[70] Patrick Helmes scored for Bayer Leverkusen and Roel Brouwers scored for Borussia Mönchengladbach.[70] Bayer Leverkusen finished the league season in fourth place.[71]
^ ab"Patrick Helmes". kicker.de (in German). kicker. Retrieved 4 March 2018.
^ ab"Stefan Kießling". kicker.de (in German). kicker. Retrieved 4 March 2018.
Notes
^Sinkiewicz was born in Tychy, Poland, but also qualified to represent Germany internationally and represented Germany at U-19 and U-21 level before making his international debut for Germany in September 2005.
^Touré was born in Sokodé, Togo, but also qualified to represent Germany internationally and represented Germany at U-18 level before making his international debut for Togo in 2006.
^Castro was born in Wuppertal, West Germany (now Germany), and represented Germany at U-21 level, but also qualified to represent Spain internationally through his parents and represented Spain at U-19 level before making his international debut for Germany in March 2007.
^Kampl was born in Solingen, Germany, but also qualified to represent Slovenia internationally through his parents and represented Slovenia at U-20 and U-21 level before making his international debut for Slovenia in October 2012.
^Petsos was born in Düsseldorf, Germany, but also qualified to represent Greece internationally and represented Greece at U-17, U-19, and U-21 level before making his international debut for Greece in August 2011.