PLAYER
POS
DOB
CLUB
SINCE
JB
Julian Baumgartlinger
MF
02.01.1988 (38)
AustriaRetired
—
AB
Aristide Bancé
FW
19.09.1984 (42)
Burkina FasoRetired
—
DB
Delron Buckley
MF
07.12.1977 (49)
South AfricaRetired
—
LB
Leandro Barreiro
MF
03.01.2000 (26)
Luxembourg
Benfica2024
LB
Leon Balogun
DF
28.06.1988 (38)
Nigeria
Aris Limassol2025
PB
Pierre Bengtsson
DF
12.04.1988 (38)
SwedenRetired
—
SB
Spasoje Bulajič
DF
24.11.1975 (51)
SloveniaRetired
—
JB
Jeffrey Bruma
DF
13.11.1991 (35)
NetherlandsRetired
—
FB
Félix Borja
FW
02.04.1983 (43)
EcuadorRetired
—
AB
Aymen Barkok
MF
21.05.1998 (28)
Morocco Raja CA2026
IB
Isaac Boakye
FW
26.11.1981 (45)
GhanaRetired
—
SB
Sheraldo Becker
MF
09.02.1995 (31)
Suriname
Mainz 052026
DB
Dragan Bogavac
FW
07.04.1980 (46)
MontenegroRetired
—
TB
Tamás Bódog
DF
27.09.1970 (56)
HungaryRetired
—
RB
Ridle Baku
MF
08.04.1998 (28)
Germany RB Leipzig2025
JB
Jean-Paul Boëtius
MF
22.03.1994 (32)
SurinameFree Agent
—
JB
Jonathan Burkardt
FW
11.07.2000 (26)
Germany Eintracht Frankfurt2025
HB
Haruna Babangida
FW
25.09.1973 (53)
NigeriaRetired
—
KB
Kasey Bos
DF
08.05.2004 (22)
Australia Mainz 052025
EB
Emil Berggreen
FW
10.05.1993 (33)
Denmark Sønderjyske2022
WB
William Bøving
FW
01.03.2003 (23)
Denmark Mainz 052025
MB
Mounir Bouziane
FW
05.02.1991 (35)
France Bodenheim2024
GB
Gaëtan Bussmann
DF
02.02.1991 (35)
France SAS Épinal2024
DB
Daniel Batz
GK
12.01.1991 (35)
Germany Mainz 052023
MB
Maximilian Beister
FW
06.09.1990 (36)
GermanyRetired
—
SB
Stefan Bell
DF
24.08.1991 (35)
Germany Mainz 052010
BB
Ben Bobzien
FW
29.04.2003 (23)
Germany Dynamo Dresden2026 (Loan)
DB
Daniel Brosinski
MF
17.07.1988 (38)
Germany Fortuna Kirchfeld2024
NB
Niko Bungert
DF
24.10.1986 (40)
GermanyRetired
—
SB
Srđan Baljak
FW
25.11.1978 (48)
SerbiaRetired
—
DB
Delano Burgzorg
FW
07.11.1998 (28)
Suriname
Bristol City2026 (Loan)