Zach Jacobs

Cleveland Guardians (AA)

Age: 25

Bats/Throws: R/R

6'1" / 170

DOB: 9/9/2001

(25 years)

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Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingCollege

Season	Team	Level	Age	W	L	SV	G	GS	IP	K/9	BB/9	HR/9	BABIP	LOB%	GB%	HR/FB	ERA	xERA	FIP	xFIP	WAR
2021	UCR	NCAA	19	1	6	0	13	13	80.0	6.86	1.80	0.34	.363	57.6%			5.18		3.98
2022	UCR	NCAA	20	0	1	0	2	2	8.2	10.38	4.15	0.00	.333	73.3%			4.15		4.17
2022	CLE	CPX	20	0	0	0	2	0	2.1	7.71	3.86	3.86	.286	100.0%	25.0%	33.3%	3.86		9.39	5.16
2023	CLE	A	21	10	4	3	29	3	91.1	9.26	2.86	0.39	.323	62.0%	40.0%	3.7%	4.43		3.40	4.06
2024	CLE	A+	22	7	3	0	34	5	80.0	9.00	2.93	0.56	.206	76.1%	41.6%	6.3%	2.36		3.38	3.65
2025	CLE	AA	23	3	3	4	36	3	67.0	7.93	5.64	1.07	.228	74.9%	30.6%	9.5%	4.16		5.23	5.14
2025	CLE	AAA	23	0	0	0	1	0	1.2	10.80	10.80	0.00	.400	40.0%	20.0%	0.0%	16.20	15.77	6.50	6.50
2025	CLE	MiLB	23	3	3	4	37	3	68.2	8.00	5.77	1.05	.233	72.9%	30.3%	9.5%	4.46	15.77	5.26	5.17
2025	CLE	ST	23	0	0	0	4	0	2.2	6.75	3.38	0.00	.143	100.0%	16.7%	0.0%	0.00		3.36	6.01
2026	Steamer	PROJ	24	0	0	0	1	0	1.0	6.88	4.29	1.47	.289	70.3%	38.2%		5.16		5.32	5.21	0.0
2026	ZiPS	PROJ	24	3	4	0	34	3	61.0	6.79	3.84	1.48	.279	68.5%			5.02		5.28		-0.4
2026	OOPSY	PROJ	24	0	0	0	1	1	2.3	5.56	4.27	1.32	.281	63.3%			5.39		5.38		0.0
2026	CLE	CPX	24	0	0	0	5	0	4.2	9.64	9.64	1.93	.091	30.3%	41.7%	16.7%	5.79		9.40	8.53
2026	CLE	AA	24	0	1	3	19	0	25.0	6.48	4.32	1.44	.313	64.2%	40.2%	12.5%	5.76		5.92	6.21
2026	CLE	MiLB	24	0	1	3	24	0	29.2	6.98	5.16	1.52	.286	59.1%	40.4%	13.2%	5.76		6.47	6.58
2026	Steamer	ROS	24	0	0	0	1	0	1.0	6.54	4.42	1.38	.296	69.5%			5.28		5.27		0.0
2026	OOPSY	ROS	24	0	0	0	1	0	1.9	5.14	4.43	1.34	.280	61.7%			5.63		5.56		0.0

Season	Team	Level	Age	W	L	SV	G	GS	IP	K/9	BB/9	HR/9	BABIP	LOB%	GB%	HR/FB	ERA	xERA	FIP	xFIP	WAR
2021	UCR	NCAA	19	1	6	0	13	13	80.0	6.86	1.80	0.34	.363	57.6%			5.18		3.98
2022	UCR	NCAA	20	0	1	0	2	2	8.2	10.38	4.15	0.00	.333	73.3%			4.15		4.17
2022	CLE	CPX	20	0	0	0	2	0	2.1	7.71	3.86	3.86	.286	100.0%	25.0%	33.3%	3.86		9.39	5.16
2023	CLE	A	21	10	4	3	29	3	91.1	9.26	2.86	0.39	.323	62.0%	40.0%	3.7%	4.43		3.40	4.06
2024	CLE	A+	22	7	3	0	34	5	80.0	9.00	2.93	0.56	.206	76.1%	41.6%	6.3%	2.36		3.38	3.65
2025	CLE	AA	23	3	3	4	36	3	67.0	7.93	5.64	1.07	.228	74.9%	30.6%	9.5%	4.16		5.23	5.14
2025	CLE	AAA	23	0	0	0	1	0	1.2	10.80	10.80	0.00	.400	40.0%	20.0%	0.0%	16.20	15.77	6.50	6.50
2025	CLE	MiLB	23	3	3	4	37	3	68.2	8.00	5.77	1.05	.233	72.9%	30.3%	9.5%	4.46	15.77	5.26	5.17
2025	CLE	ST	23	0	0	0	4	0	2.2	6.75	3.38	0.00	.143	100.0%	16.7%	0.0%	0.00		3.36	6.01
2026	Steamer	PROJ	24	0	0	0	1	0	1.0	6.88	4.29	1.47	.289	70.3%	38.2%		5.16		5.32	5.21	0.0
2026	ZiPS	PROJ	24	3	4	0	34	3	61.0	6.79	3.84	1.48	.279	68.5%			5.02		5.28		-0.4
2026	OOPSY	PROJ	24	0	0	0	1	1	2.3	5.56	4.27	1.32	.281	63.3%			5.39		5.38		0.0
2026	CLE	CPX	24	0	0	0	5	0	4.2	9.64	9.64	1.93	.091	30.3%	41.7%	16.7%	5.79		9.40	8.53
2026	CLE	AA	24	0	1	3	19	0	25.0	6.48	4.32	1.44	.313	64.2%	40.2%	12.5%	5.76		5.92	6.21
2026	CLE	MiLB	24	0	1	3	24	0	29.2	6.98	5.16	1.52	.286	59.1%	40.4%	13.2%	5.76		6.47	6.58
2026	Steamer	ROS	24	0	0	0	1	0	1.0	6.54	4.42	1.38	.296	69.5%			5.28		5.27		0.0
2026	OOPSY	ROS	24	0	0	0	1	0	1.9	5.14	4.43	1.34	.280	61.7%			5.63		5.56		0.0

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingCollege

Season	Team	Level	W	L	ERA	G	GS	QS	CG	ShO	SV	HLD	BS	IP	TBF	H	R	ER	HR	BB	IBB	HBP	WP	BK	SO
2021	UCR	NCAA	1	6	5.18	13	13		1	0	0			80.0	371	105	58	46	3	16		10	8	0	61
2022	UCR	NCAA	0	1	4.15	2	2		0	0	0			8.2	41	8	4	4	0	4		3	1	0	10
2022	CLE	CPX	0	0	3.86	2	0		0	0	0	1	0	2.1	11	3	1	1	1	1	0	0	0	0	2
2023	CLE	A	10	4	4.43	29	3		0	0	3	0	1	91.1	397	89	51	45	4	29	0	7	5	1	94
2024	CLE	A+	7	3	2.36	34	5		0	0	0	6	1	80.0	304	44	23	21	5	26	0	4	4	0	80
2025	CLE	AA	3	3	4.16	36	3		0	0	4	5	3	67.0	282	46	32	31	8	42	0	6	4	1	59
2025	CLE	AAA	0	0	16.20	1	0		0	0	0	0	0	1.2	10	2	3	3	0	2	0	1	0	0	2
2025	CLE	MiLB	3	3	4.46	37	3		0	0	4	5	3	68.2	292	48	35	34	8	44	0	7	4	1	61
2025	CLE	ST	0	0	0.00	4	0		0	0	0	1	1	2.2	10	1	0	0	0	1	0	0	0	0	2
2026	Steamer	PROJ	0	0	5.16	1	0	0	0	0	0	0		1.0	4	1	1	1	0	0	0	0			1
2026	ZiPS	PROJ	3	4	5.02	34	3				0	0		61.0	270	61	37	34	10	26	0	5	3	1	46
2026	OOPSY	PROJ	0	0	5.39	1	1	0			0	0		2.3	10	2	1	1	0	1	0	0			1
2026	CLE	CPX	0	0	5.79	5	0		0	0	0	0	0	4.2	23	2	6	3	1	5	0	1	0	0	5
2026	CLE	AA	0	1	5.76	19	0		0	0	3	2	0	25.0	116	29	19	16	4	12	0	2	0	0	18
2026	CLE	MiLB	0	1	5.76	24	0		0	0	3	2	0	29.2	139	31	25	19	5	17	0	3	0	0	23
2026	Steamer	ROS	0	0	5.28	1	0	0	0	0	0	0		1.0	5	1	1	1	0	0		0			1
2026	OOPSY	ROS	0	0	5.63	1	0	0			0	0		1.9	8	2	1	1	0	1	0	0			1

Season	Team	Level	W	L	ERA	G	GS	QS	CG	ShO	SV	HLD	BS	IP	TBF	H	R	ER	HR	BB	IBB	HBP	WP	BK	SO
2021	UCR	NCAA	1	6	5.18	13	13		1	0	0			80.0	371	105	58	46	3	16		10	8	0	61
2022	UCR	NCAA	0	1	4.15	2	2		0	0	0			8.2	41	8	4	4	0	4		3	1	0	10
2022	CLE	CPX	0	0	3.86	2	0		0	0	0	1	0	2.1	11	3	1	1	1	1	0	0	0	0	2
2023	CLE	A	10	4	4.43	29	3		0	0	3	0	1	91.1	397	89	51	45	4	29	0	7	5	1	94
2024	CLE	A+	7	3	2.36	34	5		0	0	0	6	1	80.0	304	44	23	21	5	26	0	4	4	0	80
2025	CLE	AA	3	3	4.16	36	3		0	0	4	5	3	67.0	282	46	32	31	8	42	0	6	4	1	59
2025	CLE	AAA	0	0	16.20	1	0		0	0	0	0	0	1.2	10	2	3	3	0	2	0	1	0	0	2
2025	CLE	MiLB	3	3	4.46	37	3		0	0	4	5	3	68.2	292	48	35	34	8	44	0	7	4	1	61
2025	CLE	ST	0	0	0.00	4	0		0	0	0	1	1	2.2	10	1	0	0	0	1	0	0	0	0	2
2026	Steamer	PROJ	0	0	5.16	1	0	0	0	0	0	0		1.0	4	1	1	1	0	0	0	0			1
2026	ZiPS	PROJ	3	4	5.02	34	3				0	0		61.0	270	61	37	34	10	26	0	5	3	1	46
2026	OOPSY	PROJ	0	0	5.39	1	1	0			0	0		2.3	10	2	1	1	0	1	0	0			1
2026	CLE	CPX	0	0	5.79	5	0		0	0	0	0	0	4.2	23	2	6	3	1	5	0	1	0	0	5
2026	CLE	AA	0	1	5.76	19	0		0	0	3	2	0	25.0	116	29	19	16	4	12	0	2	0	0	18
2026	CLE	MiLB	0	1	5.76	24	0		0	0	3	2	0	29.2	139	31	25	19	5	17	0	3	0	0	23
2026	Steamer	ROS	0	0	5.28	1	0	0	0	0	0	0		1.0	5	1	1	1	0	0		0			1
2026	OOPSY	ROS	0	0	5.63	1	0	0			0	0		1.9	8	2	1	1	0	1	0	0			1

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingAveragesCollege

Season	Team	Level	K/9	BB/9	K/BB	HR/9	K%	BB%	K-BB%	AVG	WHIP	BABIP	LOB%	ERA-	FIP-	FIP
2021	UCR	NCAA	6.86	1.80	3.81	0.34	16.4%	4.3%	12.1%	.304	1.51	.363	57.6%			3.98
2022	UCR	NCAA	10.38	4.15	2.50	0.00	24.4%	9.8%	14.6%	.235	1.38	.333	73.3%			4.17
2022	CLE	CPX	7.71	3.86	2.00	3.86	18.2%	9.1%	9.1%	.300	1.71	.286	100.0%	88	210	9.39
2023	CLE	A	9.26	2.86	3.24	0.39	23.7%	7.3%	16.4%	.247	1.29	.323	62.0%	108	82	3.40
2024	CLE	A+	9.00	2.93	3.08	0.56	26.3%	8.6%	17.8%	.161	0.88	.206	76.1%	59	83	3.38
2025	CLE	AA	7.93	5.64	1.40	1.07	20.9%	14.9%	6.0%	.197	1.31	.228	74.9%	112	141	5.23
2025	CLE	AAA	10.80	10.80	1.00	0.00	20.0%	20.0%	0.0%	.286	2.40	.400	40.0%	352	138	6.50
2025	CLE	MiLB	8.00	5.77	1.39	1.05	20.9%	15.1%	5.8%	.199	1.34	.233	72.9%	118	141	5.26
2025	CLE	ST	6.75	3.38	2.00	0.00	20.0%	10.0%	10.0%	.111	0.75	.143	100.0%	0	69	3.36
2026	Steamer	PROJ	6.88	4.29	1.60	1.47	17.1%	10.6%	6.4%	.263	1.52	.289	70.3%			5.32
2026	ZiPS	PROJ	6.79	3.84	1.77	1.48	17.0%	9.6%	7.4%	.255	1.43	.279	68.5%			5.28
2026	OOPSY	PROJ	5.56	4.27	1.30	1.32	14.8%	11.4%	3.4%	.262	1.43	.281	63.3%			5.38
2026	CLE	CPX	9.64	9.64	1.00	1.93	21.7%	21.7%	0.0%	.118	1.50	.091	30.3%	99	155	9.40
2026	CLE	AA	6.48	4.32	1.50	1.44	15.5%	10.3%	5.2%	.284	1.64	.313	64.2%	126	130	5.92
2026	CLE	MiLB	6.98	5.16	1.35	1.52	16.5%	12.2%	4.3%	.261	1.62	.286	59.1%	122	134	6.47
2026	Steamer	ROS	6.54	4.42	1.48	1.38	16.0%	10.8%	5.2%	.269	1.56	.296	69.5%			5.27
2026	OOPSY	ROS	5.14	4.43	1.16	1.34	13.8%	11.9%	1.9%	.265	1.45	.280	61.7%			5.56

Season	Team	Level	K/9	BB/9	K/BB	HR/9	K%	BB%	K-BB%	AVG	WHIP	BABIP	LOB%	ERA-	FIP-	FIP
2021	UCR	NCAA	6.86	1.80	3.81	0.34	16.4%	4.3%	12.1%	.304	1.51	.363	57.6%			3.98
2022	UCR	NCAA	10.38	4.15	2.50	0.00	24.4%	9.8%	14.6%	.235	1.38	.333	73.3%			4.17
2022	CLE	CPX	7.71	3.86	2.00	3.86	18.2%	9.1%	9.1%	.300	1.71	.286	100.0%	88	210	9.39
2023	CLE	A	9.26	2.86	3.24	0.39	23.7%	7.3%	16.4%	.247	1.29	.323	62.0%	108	82	3.40
2024	CLE	A+	9.00	2.93	3.08	0.56	26.3%	8.6%	17.8%	.161	0.88	.206	76.1%	59	83	3.38
2025	CLE	AA	7.93	5.64	1.40	1.07	20.9%	14.9%	6.0%	.197	1.31	.228	74.9%	112	141	5.23
2025	CLE	AAA	10.80	10.80	1.00	0.00	20.0%	20.0%	0.0%	.286	2.40	.400	40.0%	352	138	6.50
2025	CLE	MiLB	8.00	5.77	1.39	1.05	20.9%	15.1%	5.8%	.199	1.34	.233	72.9%	118	141	5.26
2025	CLE	ST	6.75	3.38	2.00	0.00	20.0%	10.0%	10.0%	.111	0.75	.143	100.0%	0	69	3.36
2026	Steamer	PROJ	6.88	4.29	1.60	1.47	17.1%	10.6%	6.4%	.263	1.52	.289	70.3%			5.32
2026	ZiPS	PROJ	6.79	3.84	1.77	1.48	17.0%	9.6%	7.4%	.255	1.43	.279	68.5%			5.28
2026	OOPSY	PROJ	5.56	4.27	1.30	1.32	14.8%	11.4%	3.4%	.262	1.43	.281	63.3%			5.38
2026	CLE	CPX	9.64	9.64	1.00	1.93	21.7%	21.7%	0.0%	.118	1.50	.091	30.3%	99	155	9.40
2026	CLE	AA	6.48	4.32	1.50	1.44	15.5%	10.3%	5.2%	.284	1.64	.313	64.2%	126	130	5.92
2026	CLE	MiLB	6.98	5.16	1.35	1.52	16.5%	12.2%	4.3%	.261	1.62	.286	59.1%	122	134	6.47
2026	Steamer	ROS	6.54	4.42	1.48	1.38	16.0%	10.8%	5.2%	.269	1.56	.296	69.5%			5.27
2026	OOPSY	ROS	5.14	4.43	1.16	1.34	13.8%	11.9%	1.9%	.265	1.45	.280	61.7%			5.56

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingCollege

Season	Team	Level	Events	EV	maxEV	LA	Barrels	Barrel%	HardHit	HardHit%	divider	ERA	xERA
2025	CLE	AAA	5	87.5	105.4	8.0	0	0.0%	2	40.0%		16.20	15.77

Season	Team	Level	Events	EV	maxEV	LA	Barrels	Barrel%	HardHit	HardHit%	divider	ERA	xERA
2025	CLE	AAA	5	87.5	105.4	8.0	0	0.0%	2	40.0%		16.20	15.77