I couldn't find anything for this season, but Athletic Club had 5.74 corners per match in LaLiga in 2025-26.

	CLUB	CNR/M	SEASON	M	W	D	L	G	GC	xG	xGA	SH	SOT	PASS-ATT	PASS	POSS%	FOUL	YC	RC
1	Athletic Club	5.74	2025-26	38	13	6	19	43	58	52.46	42.97	522	172	15,779	12,718	48.6	520	79	7

StatMuse has LaLiga data for corners per match going back to the 2014-15 season.

More Athletic Club Stats

Férnandez

Pépé

Martín

Díaz

Mikautadze

Moleiro

Díaz

Férnandez

Guèye

Mikautadze

Pépé

Vicente

Martínez

Moreno

Puerta

-1

	LaLiga	M	W	D	L	GD	PTS
1	Espanyol	1	1	0	0	3	3
2	Alavés	1	1	0	0	3	3
3	Sevilla	1	1	0	0	1	3
4	Villarreal	1	0	1	0	0	1
5	Racing	1	0	1	0	0	1
6	Real Madrid	0	0	0	0	0	0
7	Barcelona	0	0	0	0	0	0
8	Valencia	0	0	0	0	0	0
9	Málaga	0	0	0	0	0	0
10	Atlético Madrid	0	0	0	0	0	0
11	Osasuna	0	0	0	0	0	0
12	Athletic Club	0	0	0	0	0	0
13	Real Sociedad	0	0	0	0	0	0
14	Real Betis	0	0	0	0	0	0
15	Deportivo	0	0	0	0	0	0
16	Celta Vigo	0	0	0	0	0	0
17	Elche	0	0	0	0	0	0
18	Rayo	1	0	0	1	-1	0
19	Levante	1	0	0	1	-3	0
20	Getafe	1	0	0	1	-3	0