De Marcos has a goal in 24 appearances against Barcelona in LaLiga in his career.

	NAME	DATE	CLUB		OPP	MIN	G	A	XG	XA	FK	SH	SOT	WOOD	TCH	TCH-BOX	OFF	FOUL	YC	RC
1	De Marcos D. Marcos	11/21/2009	Athletic Club	vs	Barcelona	14	0												0	0
2	De Marcos D. Marcos	9/25/2010	Athletic Club	vs	Barcelona	45	0												0	0
3	De Marcos D. Marcos	11/6/2011	Athletic Club	vs	Barcelona	90	0												0	0
4	De Marcos D. Marcos	3/31/2012	Athletic Club	@	Barcelona	90	0												0	0
5	De Marcos D. Marcos	12/1/2012	Athletic Club	@	Barcelona	90	0												1	0
6	De Marcos D. Marcos	4/27/2013	Athletic Club	vs	Barcelona	90	0												1	0
7	De Marcos D. Marcos	4/20/2014	Athletic Club	@	Barcelona	90	0	0											1	0
8	De Marcos D. Marcos	9/13/2014	Athletic Club	@	Barcelona	90	0	0			0	0	0	0	71	0	1	1	0	0
9	De Marcos D. Marcos	2/8/2015	Athletic Club	vs	Barcelona	90	0	0			0	0	0	0	62	0	0	2	0	0
10	De Marcos D. Marcos	8/23/2015	Athletic Club	vs	Barcelona	90	0	0	0.00	0.00	0	0	0	0	61	0	0	1	0	0
11	De Marcos D. Marcos	1/17/2016	Athletic Club	@	Barcelona	90	0	0	0.16	0.00	0	2	1	0	52	0	0	1	1	0
12	De Marcos D. Marcos	8/28/2016	Athletic Club	vs	Barcelona	90	0	0	0.00	0.00	0	0	0	0	57	0	0	1	0	0
13	De Marcos D. Marcos	2/4/2017	Athletic Club	@	Barcelona	90	0	0	0.00	0.00	0	0	0	0	64	1	0	2	1	0
14	De Marcos D. Marcos	3/18/2018	Athletic Club	@	Barcelona	90	0	0	0.00	0.00	0	0	0	0	67	0	0	1	0	0
15	De Marcos D. Marcos	9/29/2018	Athletic Club	@	Barcelona	90	1	0	0.13	0.00	0	1	1	0	53	1	0	0	0	0
16	De Marcos D. Marcos	2/10/2019	Athletic Club	vs	Barcelona	89	0	0	0.00	0.05	0	0	0	0	54	2	0	5	2	1
17	De Marcos D. Marcos	8/16/2019	Athletic Club	vs	Barcelona	66	0	0	0.00	0.00	0	0	0	0	16	0	1	1	0	0
18	De Marcos D. Marcos	6/23/2020	Athletic Club	@	Barcelona	90	0	0	0.00	0.00	0	0	0	0	44	0	0	3	0	0
19	De Marcos D. Marcos	1/6/2021	Athletic Club	vs	Barcelona	65	0	0	0.00	0.00	0	0	0	0	22	0	0	0	0	0
20	De Marcos D. Marcos	1/31/2021	Athletic Club	@	Barcelona	67	0	0	0.00	0.00	0	0	0	0	17	0	0	0	0	0
21	De Marcos D. Marcos	10/23/2022	Athletic Club	@	Barcelona	60	0	0	0.00	0.00	0	0	0	0	32	0	0	2	1	0
22	De Marcos D. Marcos	3/12/2023	Athletic Club	vs	Barcelona	84	0	0	0.00	0.00	0	0	0	0	50	2	0	0	0	0
23	De Marcos D. Marcos	10/22/2023	Athletic Club	@	Barcelona	90	0	0	0.00	0.00	0	0	0	0	43	2	0	2	1	0
24	De Marcos D. Marcos	3/3/2024	Athletic Club	vs	Barcelona	10	0	0	0.00	0.00	0	0	0	0	6	0	0	0	0	0
	Total					1,850	1												9	1