SquadNumbers
4

#4 at Athletic Bilbao

La Liga

Players who wore this number

4
Aitor Karanka
1995/96 – 1996/97
4
Rafael Alkorta
1997/98 – 2001/02
4
Aitor Karanka
2002/03 – 2005/06
4
Ustaritz Aldekoaotalora
2006/07 – 2010/11
4
Aymeric Laporte
2012/13 – 2014/15
4
Iñigo Martínez
2020/21 – 2022/23
4
Aitor Paredes
2023/24 – 2024/25