Jacob Lopez

Position: Starting Pitcher

Bats: Left • Throws: Left

6-4, 220lb (193cm, 99kg)

Team: Athletics (minors, 40-man)

Born: March 11, 1998 in Granada Hills, CA us

Draft: Drafted by the San Francisco Giants in the 26th round of the 2018 MLB June Amateur Draft from College of the Canyons (Santa Clarita, CA).

School: College of the Canyons (Santa Clarita, CA)

Rookie Status: Exceeded rookie limits during 2025 season

2026 Contract Status: Pre-Arb Eligible

Service Time (01/2026): 0.160 • Arb Eligible: 2028 • Free Agent: 2032

Full Name: Jacob Lopez

Instagram: @/jacob13lopez_

View Player Info from the B-R Bullpen

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SUMMARY

2026

Career

WAR

-0.5

0.9

ERA

6.75

4.99

50.2

166.0

167

WHIP

1.836

1.440

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Year	Age	AgeDif	Tm	Lg	Lev	Aff	W	L	W-L%	ERA	RA9	G	GS	GF	CG	SHO	SV	IP	H	R	ER	HR	BB	IBB	SO	HBP	BK	WP	BF	WHIP	H9	HR9	BB9	SO9	SO/W
2018	20	-0.5	Giants Orange	ARIZ	Rk	SFG	1	1	.500	1.42	1.42	9	4	0	0	0	0	25.1	18	4	4	2	6	0	34	0	0	0	95	0.947	6.4	0.7	2.1	12.1	5.67
2019	21		2 Teams	2 Lgs	A-	SFG	4	3	.571	2.86	3.34	12	12	0	0	0	0	56.2	49	21	18	4	11	0	57	4	0	3	227	1.059	7.8	0.6	1.7	9.1	5.18
2019	21	-0.3	Salem-Keizer	NORW	A-	SFG	2	3	.400	3.02	3.67	9	9	0	0	0	0	41.2	41	17	14	2	7	0	39	4	0	3	172	1.152	8.9	0.4	1.5	8.4	5.57
2019	21	-0.3	Hudson Valley	NYPL	A-	TBR	2	0	1.000	2.40	2.40	3	3	0	0	0	0	15.0	8	4	4	2	4	0	18	0	0	0	55	0.800	4.8	1.2	2.4	10.8	4.50
2020-21	22	-4.7	Perth	AUBL	Fgn		2	0	1.000	0.66	0.66	5	2	1	0	0	0	13.2	5	1	1	0	2	0	21	1	0	0	50	0.512	3.3	0.0	1.3	13.8	10.50
2021	23		2 Teams	2 Lgs	A+-AA	TBR	3	1	.750	2.41	2.56	15	11	2	0	0	2	59.2	43	17	16	6	18	0	96	6	0	3	243	1.022	6.5	0.9	2.7	14.5	5.33
2021	23	-1.6	Montgomery	AASO	AA	TBR	0	0		3.60	3.60	1	1	0	0	0	0	5.0	3	2	2	0	1	0	8	0	0	0	20	0.800	5.4	0.0	1.8	14.4	8.00
2021	23	-0.3	Bowling Green	HAE	A+	TBR	3	1	.750	2.30	2.47	14	10	2	0	0	2	54.2	40	15	14	6	17	0	88	6	0	3	223	1.043	6.6	1.0	2.8	14.5	5.18

2023	25		2 Teams	2 Lgs	AAA-AA	TBR	4	5	.444	2.68	3.19	26	24	0	0	0	0	107.1	72	38	32	9	56	0	132	6	2	2	443	1.193	6.0	0.8	4.7	11.1	2.36
2023	25	-1.9	Durham	IL	AAA	TBR	4	5	.444	2.72	3.40	18	18	0	0	0	0	79.1	58	30	24	7	47	0	87	4	1	1	335	1.324	6.6	0.8	5.3	9.9	1.85
2023	25	0.7	Montgomery	SOUL	AA	TBR	0	0		2.57	2.57	8	6	0	0	0	0	28.0	14	8	8	2	9	0	45	2	1	1	108	0.821	4.5	0.6	2.9	14.5	5.00
2023	25	-3.7	TBR	AL	Maj	TBR	1	0	1.000	4.38	5.11	4	1	1	0	0	1	12.1	14	7	6	0	2	0	8	2	0	1	54	1.297	10.2	0.0	1.5	5.8	4.00
2024	26	-1.0	Durham	IL	AAA	TBR	4	7	.364	4.26	4.77	21	19	0	0	0	0	88.2	71	47	42	12	45	0	106	5	0	2	380	1.308	7.2	1.2	4.6	10.8	2.36
2024	26	-3.0	TBR	AL	Maj	TBR	0	0		5.23	6.10	4	1	1	0	0	0	10.1	5	7	6	2	7	0	8	2	0	0	46	1.161	4.4	1.7	6.1	7.0	1.14
2025	27	-0.1	Las Vegas	PCL	AAA	ATH	3	0	1.000	2.33	2.67	6	4	0	0	0	0	27.0	16	8	7	2	8	0	38	0	0	1	104	0.889	5.3	0.7	2.7	12.7	4.75
2025	27	-2.2	ATH	AL	Maj	ATH	7	7	.500	4.08	4.56	21	17	1	0	0	0	92.2	81	47	42	15	37	0	113	8	1	0	399	1.273	7.9	1.5	3.6	11.0	3.05
2026	28	0.3	Las Vegas	PCL	AAA	ATH	2	2	.500	7.20	7.20	4	4	0	0	0	0	15.0	21	12	12	4	5	0	17	0	0	0	70	1.733	12.6	2.4	3.0	10.2	3.40
2026	28	-1.3	ATH	AL	Maj	ATH	4	3	.571	6.75	6.93	12	10	0	0	0	0	50.2	60	39	38	11	33	0	38	0	0	0	243	1.836	10.7	2.0	5.9	6.8	1.15
Year	Age	AgeDif	Tm	Lg	Lev	Aff	W	L	W-L%	ERA	RA9	G	GS	GF	CG	SHO	SV	IP	H	R	ER	HR	BB	IBB	SO	HBP	BK	WP	BF	WHIP	H9	HR9	BB9	SO9	SO/W
Majors (4 seasons)					Majors		12	10	.545	4.99	5.42	41	29	3	0	0	1	166.0	160	100	92	28	79	0	167	12	1	1	742	1.440	8.7	1.5	4.3	9.1	2.11
Minors (7 seasons)					Minors		21	19	.525	3.11	3.48	93	78	2	0	0	2	379.2	290	147	131	39	149	0	480	21	2	11	1562	1.156	6.9	0.9	3.5	11.4	3.22
Foreign (1 season)					Foreign		2	0	1.000	0.66	0.66	5	2	1	0	0	0	13.2	5	1	1	0	2	0	21	1	0	0	50	0.512	3.3	0.0	1.3	13.8	10.50
All Levels (8 Seasons)							35	29	.547	3.60	3.99	139	109	6	0	0	3	559.1	455	248	224	67	230	0	668	34	3	12	2354	1.225	7.3	1.1	3.7	10.7	2.90

AAA (4 seasons)					Minors		13	14	.481	3.64	4.16	49	45	0	0	0	0	210.0	166	97	85	25	105	0	248	9	1	4	889	1.290	7.1	1.1	4.5	10.6	2.36
AA (2 seasons)					Minors		0	0		2.73	2.73	9	7	0	0	0	0	33.0	17	10	10	2	10	0	53	2	1	1	128	0.818	4.6	0.5	2.7	14.5	5.30
A+ (1 season)					Minors		3	1	.750	2.30	2.47	14	10	2	0	0	2	54.2	40	15	14	6	17	0	88	6	0	3	223	1.043	6.6	1.0	2.8	14.5	5.18
A- (1 season)					Minors		4	3	.571	2.86	3.34	12	12	0	0	0	0	56.2	49	21	18	4	11	0	57	4	0	3	227	1.059	7.8	0.6	1.7	9.1	5.18
Rk (1 season)					Minors		1	1	.500	1.42	1.42	9	4	0	0	0	0	25.1	18	4	4	2	6	0	34	0	0	0	95	0.947	6.4	0.7	2.1	12.1	5.67