2025–26 1. FC Köln season

1. FC Köln
2025–26 season
Manager	Lukas Kwasniok
Stadium	RheinEnergieStadion
Bundesliga	14th
DFB-Pokal	Second round
Top goalscorer	League: Said El Mala (9); All: Said El Mala (9)
Biggest win	1. FC Köln 4–1 SC Freiburg; 31 August 2025, Bundesliga
Biggest defeat	RB Leipzig 3–1 1. FC Köln; 20 September 2025, Bundesliga
	All statistics correct as of 21 September 2025.

The 2025–26 season was the 78th season in the history of 1. FC Köln. In addition to the domestic league, the team is participating in the DFB-Pokal.

Players

Current squad

As of 3 September 2025^[1]

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.


No.	Pos.	Nation	Player
1	GK	GER	Marvin Schwäbe (captain)
2	DF	SUI	Joël Schmied
3	DF	GER	Dominique Heintz
4	DF	GER	Timo Hübers
5	MF	GER	Tom Krauß (on loan from Mainz 05)
6	MF	GER	Eric Martel
7	FW	GER	Luca Waldschmidt
8	MF	BIH	Denis Huseinbašić
9	FW	GER	Ragnar Ache
11	MF	AUT	Florian Kainz
13	MF	GER	Said El Mala
15	DF	GER	Luca Kilian
16	FW	POL	Jakub Kamiński (on loan from VfL Wolfsburg)
17	MF	BEL	Alessio Castro-Montes


No.	Pos.	Nation	Player
18	MF	ISL	Ísak Bergmann Jóhannesson
19	FW	GER	Malek El Mala
20	GK	GER	Ron-Robert Zieler
25	DF	BIH	Jusuf Gazibegović
28	DF	NOR	Sebastian Sebulonsen
29	FW	GER	Jan Thielmann
30	FW	GER	Marius Bülter
32	DF	USA	Kristoffer Lund (on loan from Palermo)
33	DF	NED	Rav van den Berg
34	MF	GER	Fayssal Harchaoui
37	MF	GER	Linton Maina
39	DF	TUR	Cenk Özkacar (on loan from Valencia)
44	GK	GER	Matthias Köbbing
46	MF	BIH	Emin Kujović

Transfers

In

Pos.	Player	From	Fee	Date	Source
FW	Ragnar Ache	1. FC Kaiserslautern	€4,100,000	1 July 2025	^[2]
MF	Isak Bergmann Jóhannesson	Fortuna Düsseldorf	€5,600,000	1 July 2025	^[3]
GK	Ron-Robert Zieler	Hannover 96	€210,000	8 July 2025	^[4]
DF	Sebastian Sebulonsen	Brøndby IF	€2,600,000	18 July 2025	^[5]
FW	Marius Bülter	TSG Hoffenheim	€1,100,000	1 August 2025	^[6]
DF	Rav van den Berg	Middlesbrough	€7,500,000	13 August 2025	^[7]
MF	Alessio Castro-Montes	Union Saint-Gilloise	€2,100,000	1 September 2025	^[8]

Loans in

Pos.	Player	From	Date	Until	Source
DF	Jakub Kamiński	VfL Wolfsburg	4 July 2025	End of season	^[9]
MF	Tom Krauß	Mainz 05	5 July 2025	End of season	^[10]
DF	Kristoffer Lund	Palermo	5 August 2025	End of season	^[11]
DF	Cenk Özkacar	Valencia	9 August 2025	End of season	^[12]
DF	Jahmai Simpson-Pusey	Manchester City	6 January 2026	End of season	^[13]
MF	Felipe Chávez	Bayern Munich	2 February 2026	End of season	^[14]^[15]

Out

Pos.	Player	To	Fee	Date	Source
DF	Max Finkgräfe	RB Leipzig	€4,100,000	3 July 2025	^[16]
FW	Damion Downs	Southampton	€8,100,000	9 July 2025	^[17]

Loans out

Pos.	Player	To	Date	Until	Source
DF	Rasmus Carstensen	AGF	7 July 2025	End of season	^[18]
FW	Jaka Čuber Potočnik	Rot-Weiss Essen	10 July 2025	End of season	^[19]
DF	Julian Pauli	Dynamo Dresden	29 August 2025	End of season	^[20]
FW	Imad Rondić	Raków Częstochowa	3 September 2025	End of season	^[21]
FW	Imad Rondić	SC Preußen Münster	27 January 2026	End of season	^[22]

Released

Pos.	Player	Date	Source
MF	Tim Lemperle	29 May 2025	^[23]
MF	Mathias Olesen	29 May 2025	^[24]
FW	Marvin Obuz	29 May 2025	^[25]
MF	Dejan Ljubičić	29 May 2025	^[26]
GK	Philipp Pentke	29 May 2025	^[27]
FW	Mark Uth	29 May 2025	^[28]

Competitions

Overall record

Competition	First match	Last match	Starting round	Record
Competition	First match	Last match	Starting round	Pld	W	D	L	GF	GA	GD	Win %
Bundesliga	24 August 2025	16 May 2026	Matchday 1	27	6	8	13	38	47	−9	022.22
DFB-Pokal	17 August 2025	29 October 2025	First Round	2	1	0	1	3	5	−2	050.00
Total				29	7	8	14	41	52	−11	024.14

Last updated: 21 March 2026
Source: DFB

Bundesliga

League table

Pos	Team	Pld	W	D	L	GF	GA	GD	Pts	Qualification or relegation
13	Borussia Mönchengladbach	27	7	8	12	33	46	−13	29
14	Werder Bremen	27	7	7	13	30	47	−17	28
15	1. FC Köln	27	6	8	13	38	47	−9	26
16	FC St. Pauli	27	6	6	15	24	44	−20	24	Qualification for the relegation play-offs
17	VfL Wolfsburg	27	5	6	16	35	57	−22	21	Relegation to 2. Bundesliga

Updated to match(es) played on 22 March 2026. Source: Bundesliga
Rules for classification: 1) Points; 2) Goal difference; 3) Goals scored; 4) Head-to-head results; 5) Head-to-head away goals scored; 6) Away goals scored; 7) Play-off.^[29]
(Rules 4–6 only apply after home and away matches have been played between the tied teams.)

Results summary


Overall								Home						Away
Pld	W	D	L	GF	GA	GD	Pts	W	D	L	GF	GA	GD	W	D	L	GF	GA	GD
27	6	8	13	38	47	−9	26	4	4	6	25	24	+1	2	4	7	13	23	−10

Last updated: 21 March 2026.
Source: Bundesliga

Results by round

Round	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	32	33	34
Ground	A	H	A	A	H	A	H	A	H	A	H	A	H	A	H	A	H	H	A	H	H	A	H	A	H	A	H	A	H	A	H	A	H	A
Result	W	W	D	L	L	W	D	L	W	L	L	D	D	L	L	D	L	W	L	W	L	L	D	L	L	D	D	–	–	–	–	–	–	–
Position	7	3	3	4	7	6	6	8	7	9	10	10	8	10	11	11	12	10	10	10	10	11	12	13	13	14	–	–	–	–	–	–	–	–
Points	3	6	7	7	7	10	11	11	14	14	14	15	16	16	16	17	17	20	20	23	23	23	24	24	24	25	26

Updated to match(es) played on 21 March 2026. Source: Bundesliga standings & results – Bundesliga.com
A = Away; H = Home; W = Win; D = Draw; L = Loss

Matches

24 August 2025 Matchday 1	Mainz 05	0–1	1. FC Köln	Mainz
15:30 CEST (UTC+2)	Feil 29' Gerezgiher 48' Asllani 46' 67' Schmahl 62'	Report	Huseinbasic 22' Martel 45+4' Heintz 60' Hübers 84'	Stadium: MEWA Arena Attendance: 9,502 Referee: Tom Bauer

31 August 2025 Matchday 2	1. FC Köln	4–1	SC Freiburg	Cologne
20:30 CEST (UTC+2)	Kamiński 35' Martel 41' Bülter 47' Schmied 55' El Mala 81'	Report	Manzambi 29' Eggestein 84'	Stadium: RheinEnergieStadion Attendance: 50,000 Referee: Tobias Reichel

13 September 2025 Matchday 3	Wolfsburg	3–3	1. FC Köln	Wolfsburg
15:30 CEST (UTC+2)	Amoura 42' Majer 65' 68' Grabara 86' Arnold 90+9'	Report	Waldschmidt 5' Zieler 69' Schmied 72' Johannesson 84' 90+1' Kaminski 90+14'	Stadium: Volkswagen Arena Attendance: 61,426 Referee: Sven Jablonski

20 September 2025 Matchday 4	RB Leipzig	3–1	1. FC Köln	Leipzig
18:30 CEST (UTC+2)	Ouedraogo 13' Cruz 44' Raum 45+4' Baku 69'	Report	Thielmann 23' Martel 45+3'	Stadium: Red Bull Arena Attendance: 47,117 Referee: Benjamin Brand

28 September 2025 Matchday 5	1. FC Köln	1–2	VfB Stuttgart	Cologne
17:30 CEST (UTC+2)	Kaminski 4' Schmied 67' Krauß 76'		Demirović 28' (pen.) Jaquez 78' Vagnoman 81' Bouanani 90+1'	Stadium: RheinEnergieStadion Referee: Matthias Jöllenbeck

3 October 2025 Matchday 6	TSG 1899 Hoffenheim	0–1	1. FC Köln	Sinsheim
20:30 CEST (UTC+2)	Touré 10' Bernardo 20' Burger 39'	Report	El Mala 16' Sebulonsen 90+4'	Stadium: PreZero Arena Attendance: 30,150 Referee: Felix Zwayer

18 October 2025 Matchday 7	1. FC Köln	1–1	FC Augsburg	Cologne
15:30 CEST (UTC+2)	Jóhannesson 61' Thielmann 64' El Mala 76'	Report	Kade 7' Jakić 20' Rieder 54' Sandro Wagner 63'	Stadium: RheinEnergieStadion Attendance: 50,000 Referee: Timo Gerach

25 October 2025 Matchday 8	Borussia Dortmund	1–0	1. FC Köln	Dortmund
18:30 CEST (UTC+2)	Guirassy 63' Beier 90+1' 90+6'	Report	Jóhannesson 44' Sebulonsen 45'	Stadium: Signal Iduna Park Attendance: 81,365 Referee: Benjamin Brand

2 November 2025 Matchday 9	1. FC Köln	4–1	Hamburger SV	Cologne
15:30 CET (UTC+1)	Ache 25' Kainz 48' Bülter 78' El Mala 90+4' Kamiński 90+9'	Report	Remberg 10' Dompé 61' Vieira 74' 83' Pherai 78' 79' Poulsen 79' Polzin 84'	Stadium: RheinEnergieStadion Attendance: 50,000 Referee: Daniel Schlager

8 November 2025 Matchday 10	Borussia Mönchengladbach	3–1	1. FC Köln	Mönchengladbach
18:30 CET (UTC+1)	Reitz 11' Sander 45+2' Diks 61' (pen.), 75' Tabaković 64'	Report	Huseinbašić 34' Waldschmidt 90+2' (pen.) Sebulonsen 75' Ache 75'	Stadium: Borussia-Park Attendance: 54,042 Referee: Deniz Aytekin

22 November 2025 Matchday 11	1. FC Köln	3–3	Eintracht Frankfurt	Cologne
18:30 CET (UTC+1)	Kaminski 4' Bülter 83' Waldschmidt 90+4'	Report	Theate 39' Dahoud 45+6' Burkardt 59', 63'	Stadium: RheinEnergieStadion Attendance: 50,000 Referee: Florian Badstübner

29 November 2025 Matchday 12	SV Werder Bremen	1–1	1. FC Köln	Bremen
15:30 CET (UTC+1)	Friedl 22' Stark 75' 90+6'	Report	Castro-Montes 39' Thielmann 75' Martel 78' El Mala 90+1' Bulter 90+6'	Stadium: Weser-Stadion Attendance: 41,800 Referee: Bastian Dankert

6 December 2025 Matchday 13	1. FC Köln	1–1	FC St. Pauli	Cologne
15:30 CET (UTC+1)	El Mala 51'	Report	Jones 90+4', 90+5'	Stadium: RheinEnergieStadion Attendance: 50,000 Referee: Tobias Reichel

13 December 2025 Matchday 14	Bayer 04 Leverkusen	2–0	1. FC Köln	Leverkusen
18:30 CET (UTC+1)	Arthur 51' Terrier 66' Andrich 72' Quansah 74'	Report	Martel 5'	Stadium: BayArena Attendance: 30,210 Referee: Harm Osmers

20 December 2025 Matchday 15	1. FC Köln	0–1	1. FC Union Berlin	Cologne
15:30 CET (UTC+1)	Sebulonsen 13' Krauß 49' van den Berg 82'	Report	Trimmel 40' Kemlein 80' Schäfer 88', 90+1' Juranović 90+4' Rønnow 90+8'	Stadium: RheinEnergieStadion Attendance: 50,000 Referee: Christian Dingert

10 January 2026 Matchday 16	1. FC Heidenheim 1846	2–2	1. FC Köln	Heidenheim an der Brenz
15:30 CET (UTC+1)	Pieringer 15' Niehues 26' Ibrahimović 44' Föhrenbach 52'	Report	Martel 18', 21' El Mala 48'	Stadium: Voith-Arena Attendance: 15,000 Referee: Robert Schröder

14 January 2026 Matchday 17	1. FC Köln	1–3	FC Bayern Munich	Cologne
18:30 CET (UTC+1)	Maina 41'	Report	Gnabry 45+5' Kim 71' Karl 84'	Stadium: RheinEnergieStadion Attendance: 50,000 Referee: Patrick Ittrich

17 January 2026 Matchday 18	1. FC Köln	2–1	1. FSV Mainz 05	Cologne
15:30 CET (UTC+1)	Martel 18' Ache 57', 85' El Mala 72' Bülter 72' Krauß 87'	Report	Bell 29' Lee 43' Widmer 61' Batz 72' Tietz 72'	Stadium: RheinEnergieStadion Attendance: 50,000 Referee: Felix Zwayer

25 January 2026 Matchday 19	SC Freiburg	2–1	1. FC Köln	Freiburg im Breisgau
17:30 CET (UTC+1)	Scherhant 11' 74' Matanović 44'	Report	Rosenfelder 10' (o.g.) Krauß 62' Castro-Montes 69'	Stadium: Europa-Park Stadion Attendance: 34,700 Referee: Bastian Dankert

31 January 2026 Matchday 20	1. FC Köln	1–0	VfL Wolfsburg	Cologne
20:30 CET (UTC+1)	Maina 29' Ache 58'	Report	Eriksen 66' Shiogai 71' Jenz 80' Gerhardt 90'	Stadium: RheinEnergieStadion Attendance: 50,000 Referee: Martin Petersen

8 February 2026 Matchday 21	1. FC Köln	1–2	RB Leipzig	Cologne
15:30 CET (UTC+1)	Thielmann 51' 59'	Report	Baumgartner 29', 56' 77' Raum 77' Banzuzi 90+1' Gulácsi 90+4'	Stadium: RheinEnergieStadion Attendance: 49,000 Referee: Frank Willenborg

14 February 2026 Matchday 22	VfB Stuttgart	3–1	1. FC Köln	Stuttgart
18:30 CET (UTC+1)	Demirović 15', 84' 60' Führich 29' Chabot 53' El Khannouss 76' Undav 90+2'	Report	Ache 79' Kamiński 90+5'	Stadium: MHPArena Attendance: 60,000 Referee: Robert Hartmann

21 February 2026 Matchday 23	1. FC Köln	2–2	TSG 1899 Hoffenheim	Cologne
15:30 CET (UTC+1)	Ache 15' El Mala 63' Özkacar 78'	Report	Hajdari 42' Kabak 45' Kramarić 60' Coufal 75' Moerstedt 90+5'	Stadium: RheinEnergieStadion Attendance: 49,600 Referee: Robert Schröder

27 February 2026 Matchday 24	FC Augsburg	2–0	1. FC Köln	Augsburg
18:30 CET (UTC+1)	Massengo 15' Banks 47' Ribeiro 55' Zesiger 66' Keitel 90+2' Claude-Maurice 90+5'	Report	Martel 31'	Stadium: WWK Arena Attendance: 30,660 Referee: Tobias Welz

7 March 2026 Matchday 25	1. FC Köln	1–2	Borussia Dortmund	Cologne
18:30 CET (UTC+1)	Simpson-Pusey 45+2' Martel 86' Kamiński 88'	Report	Guirassy 16' Bensebaini 45+5' Beier 60'	Stadium: RheinEnergieStadion Attendance: 50,000 Referee: Daniel Siebert

14 March 2026 Matchday 26	Hamburger SV	1–1	1. FC Köln	Hamburg
18:30 CET (UTC+1)	Vieira 39' Remberg 41' Muheim 90+6'	Report	El Mala 32' 45' Hansen 36' Kamiński 76' Sebulonsen 90+8'	Stadium: Volksparkstadion Attendance: 57,000 Referee: Tobias Welz

21 March 2026 Matchday 27	1. FC Köln	3–3	Borussia Mönchengladbach	Cologne
15:30 CET (UTC+1)	El Mala 4' Ache 7' Jóhannesson 38' Schwäbe 52' Kamiński 61' Özkacar 71' Martel 73' 86' 84' Kainz 90+1'	Report	Castrop 1', 60' Sander 20' Tabaković 71' Reitz 90'	Stadium: RheinEnergieStadion Referee: Sören Storks

4 April 2026 Matchday 28	Eintracht Frankfurt	v	1. FC Köln	Frankfurt
				Stadium: Deutsche Bank Park

11 April 2026 Matchday 29	1. FC Köln	v	SV Werder Bremen	Cologne
				Stadium: RheinEnergieStadion

18 April 2026 Matchday 30	FC St. Pauli	v	1. FC Köln	Hamburg
				Stadium: Millerntor-Stadion

25 April 2026 Matchday 31	1. FC Köln	v	Bayer 04 Leverkusen	Cologne
				Stadium: RheinEnergieStadion

2 May 2026 Matchday 32	1. FC Union Berlin	v	1. FC Köln	Berlin
				Stadium: Stadion An der Alten Försterei

9 May 2026 Matchday 33	1. FC Köln	v	1. FC Heidenheim 1846	Cologne
				Stadium: RheinEnergieStadion

16 May 2026 Matchday 34	FC Bayern Munich	v	1. FC Köln	Munich
15:30				Stadium: Allianz Arena

DFB-Pokal

17 August 2025 First Round	Jahn Regensburg	1–2	1. FC Köln	Regensburg
15:30	Benedikt Bauer 66'	Report	Martel 90+6' 88' Jóhannesson 90+8' Maina 30'	Stadium: Jahnstadion Regensburg Attendance: 13,396 Referee: Christian Dingert

29 October 2025 Second Round	1. FC Köln	1–4	FC Bayern Munich	Cologne
20:45 CET (UTC+1)	El Mala 3' Ache 31'	Report	Díaz 36' 45+2' Kane 38', 64' Olise 72' Upamecano 85'	Stadium: RheinEnergieStadion Attendance: 50,000 Referee: Tobias Welz

Statistics

Appearances and goals

As of 21 March 2026.^[30]^[31]

No.	Pos	Nat	Player	Total		Bundesliga		DFB-Pokal
No.	Pos	Nat	Player	Apps	Goals	Apps	Goals	Apps	Goals
Goalkeepers
1	GK	GER	Marvin Schwäbe	27	0	27	0	0	0
20	GK	GER	Ron-Robert Zieler	2	0	0	0	2	0
44	GK	GER	Matthias Köbbing	0	0	0	0	0	0
Defenders
2	DF	SUI	Joël Schmied	14	0	11+2	0	1	0
3	DF	GER	Dominique Heintz	10	0	7+3	0	0	0
4	DF	GER	Timo Hübers	8	0	8	0	0	0
15	DF	GER	Luca Kilian	0	0	0	0	0	0
22	DF	ENG	Jahmai Simpson-Pusey	6	0	4+2	0	0	0
25	DF	BIH	Jusuf Gazibegović	1	0	1	0	0	0
28	DF	NOR	Sebastian Sebulonsen	26	0	21+3	0	2	0
32	DF	USA	Kristoffer Lund Hansen	28	0	20+6	0	1+1	0
33	DF	NED	Rav van den Berg	13	0	11+2	0	0	0
35	DF	GER	Max Finkgräfe	0	0	0	0	0	0
36	DF	GER	Cenny Neumann	2	0	1+1	0	0	0
39	DF	TUR	Cenk Özkacar	20	0	13+5	0	1+1	0
Midfielders
5	MF	GER	Tom Krauß	24	0	17+6	0	1	0
6	MF	GER	Eric Martel	28	3	25+1	2	2	1
8	MF	BIH	Denis Huseinbašić	15	0	8+6	0	0+1	0
11	MF	AUT	Florian Kainz	14	1	0+13	1	0+1	0
13	MF	GER	Said El Mala	28	10	13+14	10	1	0
17	MF	BEL	Alessio Castro-Montes	8	0	5+3	0	0	0
18	MF	ISL	Ísak Bergmann Jóhannesson	27	2	17+8	1	2	1
27	MF	PER	Felipe Chávez	4	0	0+4	0	0	0
34	MF	GER	Fayssal Harchaoui	0	0	0	0	0	0
37	MF	GER	Linton Maina	18	2	7+10	2	0+1	0
46	MF	BIH	Emin Kujović	0	0	0	0	0	0
Forwards
7	FW	GER	Luca Waldschmidt	19	3	6+12	3	0+1	0
9	FW	GER	Ragnar Ache	28	7	15+11	6	2	1
16	FW	POL	Jakub Kamiński	29	6	27	6	2	0
19	FW	GER	Malek El Mala	0	0	0	0	0	0
21	FW	GER	Steffen Tigges	3	0	0+3	0	0	0
23	FW	ARM	Sargis Adamyan	0	0	0	0	0	0
29	FW	GER	Jan Thielmann	20	3	17+3	3	0	0
30	FW	GER	Marius Bülter	27	3	14+11	3	2	0
38	FW	GER	Youssoupha Niang	3	0	0+3	0	0	0
40	FW	GER	Fynn Schenten	7	0	0+7	0	0	0
Players transferred out during the season
24	DF	GER	Julian Pauli	0	0	0	0	0	0
27	FW	BIH	Imad Rondić	0	0	0	0	0	0

Last updated: 21 March 2026
Source: FotMob

References

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^ "Köln leiht Cenk Özkacar aus". kicker. 9 August 2025. Retrieved 18 November 2025.
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^ "Damion Downs joins Southampton". 1. FC Köln. 9 July 2025. Retrieved 18 November 2025.
^ "Rasmus Carstensen loaned to Aarhus GF". 1. FC Köln. 7 July 2025. Retrieved 18 November 2025.
^ "FC loan out Jaka Čuber Potočnik". 1. FC Köln. Retrieved 18 November 2025.
^ "Pauli loaned to Dynamo Dresden". kicker. 29 August 2025. Retrieved 18 November 2025.
^ "Imad Rondić wypożyczony do Rakowa". Flashscore.pl. 3 September 2025. Retrieved 18 November 2025.
^ "Forward Imad Rondic is being loaned from 1. FC Köln" [Angreifer Imad Rondic wird vom 1. FC Köln ausgeliehen] (in German). SC Preußen Münster. 27 January 2026. Retrieved 27 January 2026.
^ "1. FC Köln transfers 2025/26". FotMob. Retrieved 18 November 2025.
^ "1. FC Köln transfers 2025/26". FotMob. Retrieved 18 November 2025.
^ "1. FC Köln transfers 2025/26". FotMob. Retrieved 18 November 2025.
^ "1. FC Köln transfers 2025/26". FotMob. Retrieved 18 November 2025.
^ "1. FC Köln transfers 2025/26". FotMob. Retrieved 18 November 2025.
^ "1. FC Köln transfers 2025/26". FotMob. Retrieved 18 November 2025.
^ "DFL–Spielordnung (SpOL)" [Match rules] (PDF) (in German). Deutsche Fußball Liga. 29 May 2025. p. 3. Retrieved 21 June 2025.
^ "1. FC Köln Squad". FotMob. Retrieved 21 March 2026.
^ "Köln Stats, Bundesliga". FBref.com. Retrieved 21 March 2026.

[1] "1. FC KÖLN Saison 2023/24". 1. FC Köln (in German). Retrieved 4 July 2023.

[2] "Ragnar Ache joins 1. FC Köln". 1. FC Köln. 28 May 2025. Retrieved 18 November 2025.

[3] "FC sign Ísak Jóhannesson". 1. FC Köln. 1 June 2025. Retrieved 2 February 2026.

[4] "Ron-Robert Zieler returns to FC". 1. FC Köln. 8 July 2025. Retrieved 18 November 2025.

[5] "1. FC Köln transfers 2025/26". FotMob. Retrieved 18 November 2025.

[6] "Köln verpflichtet Marius Bülter" (in German). Bild. 1 August 2025. Retrieved 18 November 2025.

[7] "Rav van den Berg joins 1. FC Köln". BBC Sport. 13 August 2025. Retrieved 18 November 2025.

[8] "FC sign Alessio Castro-Montes". 1. FC Köln. 1 September 2025. Retrieved 2 February 2026.

[9] Szymański, Rafał (4 July 2025). "Stało się! Reprezentant Polski zmienił klub w Niemczech". sportowefakty.wp.pl (in Polish). Retrieved 2 February 2026.

[10] "Tom Krauß signs for FC". 1. FC Köln. 5 July 2025. Retrieved 18 November 2025.

[11] "Linksverteidiger Kristoffer Lund wechselt zum FC" [Left-back Kristoffer Lund moves to FC] (in German). 1. FC Köln. 5 August 2025. Retrieved 2 February 2026.

[12] "Köln leiht Cenk Özkacar aus". kicker. 9 August 2025. Retrieved 18 November 2025.

[13] "Simpson-Pusey joins FC Koln on loan". Manchester City F.C. 6 January 2026. Retrieved 2 February 2026.

[14] "FC leiht Felipe Chávez aus". 1. FC Köln. 2 February 2026.

[15] "FC BAYERN VERLEIHT FELIPE CHÁVEZ AN DEN 1. FC KÖLN". FC Bayern Munich. 2 February 2026.

[16] "1. FC Köln transfers 2025/26". FotMob. Retrieved 18 November 2025.

[17] "Damion Downs joins Southampton". 1. FC Köln. 9 July 2025. Retrieved 18 November 2025.

[18] "Rasmus Carstensen loaned to Aarhus GF". 1. FC Köln. 7 July 2025. Retrieved 18 November 2025.

[19] "FC loan out Jaka Čuber Potočnik". 1. FC Köln. Retrieved 18 November 2025.

[20] "Pauli loaned to Dynamo Dresden". kicker. 29 August 2025. Retrieved 18 November 2025.

[21] "Imad Rondić wypożyczony do Rakowa". Flashscore.pl. 3 September 2025. Retrieved 18 November 2025.

[22] "Forward Imad Rondic is being loaned from 1. FC Köln" [Angreifer Imad Rondic wird vom 1. FC Köln ausgeliehen] (in German). SC Preußen Münster. 27 January 2026. Retrieved 27 January 2026.

[23] "1. FC Köln transfers 2025/26". FotMob. Retrieved 18 November 2025.

[24] "1. FC Köln transfers 2025/26". FotMob. Retrieved 18 November 2025.

[25] "1. FC Köln transfers 2025/26". FotMob. Retrieved 18 November 2025.

[26] "1. FC Köln transfers 2025/26". FotMob. Retrieved 18 November 2025.

[27] "1. FC Köln transfers 2025/26". FotMob. Retrieved 18 November 2025.

[28] "1. FC Köln transfers 2025/26". FotMob. Retrieved 18 November 2025.

[29] "DFL–Spielordnung (SpOL)" [Match rules] (PDF) (in German). Deutsche Fußball Liga. 29 May 2025. p. 3. Retrieved 21 June 2025.

[fotmob-squad-koln-30] "1. FC Köln Squad". FotMob. Retrieved 21 March 2026.

[fbref-squad-koln-31] "Köln Stats, Bundesliga". FBref.com. Retrieved 21 March 2026.

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