Grant Hartwig

Grant Hartwig [Grant Alexander Hartwig] is currently a free agent who was last active in 2026. His date of birth is December 18th, 1997 and he is currently 28 years old. He was born in Detroit, Michigan. He attended high school in Novi, Michigan where he played for the Detroit Catholic Central Shamrocks. He played 4 years of NCAA Division I College Baseball for the Miami University Redhawks [Mid-American Conference] where he was teammates with future Major Leaguers Sam Bachman and Hayden Senger. He was signed as an undrafted free agent by the New York Mets in 2021. Ranked by MLB Pipeline as the New York Mets No. 29 MLB prospect in 2026 pre-season Prospect rankings. Made his Major League Debut on June 19th, 2023 at the age of 25. Debuted as a relief pitcher ...

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for New York Mets against the Houston Astros, throwing 1 inning, allowing 0 runs, 1 walks and striking out 0 batters. He did not factor in the decision. He allowed a single to Mauricio Dubon, the first batter he faced. His most frequent teammates throughout his career, based on statistics listed below were Hayden Senger, Matt O'Neill, Luis Moreno and Francisco Alvarez. Hartwig has played 5 seasons with the New York Mets organization and 1 season with the Minnesota Twins. He played in the Arizona Fall League (Prospect League) in 2022. He played collegiate summer league baseball in the Great Lakes Collegiate League for the Lake Erie Monarchs and in the Northwoods League for the Lakeshore Chinooks.

Career Transactions: Signed a minor league contract with the Minnesota Twins on December 2nd, 2025.

Prospect Rankings

CSV

Glossary

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year

source

type

team

rank

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2023

MLB Pipeline

Team

New York Mets

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1 record(s)

Pitching Statistics

CSV

Glossary

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MLB Stats

Minor League Stats

College Stats

Yearly Summary

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year	team name	league	level	mlb	#	age	tbc+	w	l	era	g	gs	cg	sho	gr	gf	sv	ip	h	r	er	hr	bb	so	wp	bk	hb	whip	h9	hr9	bb9	so9	ra9	so/bb
2017	Miami-Ohio	MAC	NCAA-1	Fr	25	19	95	1	4	5.19	15	10	1	0	5	0	0	52.0	53	35	30	8	27	34	2	1	6	1.54	9.17	1.38	4.67	5.88	6.06	1.26
2018	Miami-Ohio	MAC	NCAA-1	So	25	20	92	0	0	5.48	8	2	0	0	6	0	0	21.1	23	16	13	4	9	15	1	0	0	1.50	9.70	1.69	3.80	6.33	6.75	1.67
2020	Miami-Ohio	MAC	NCAA-1	Rs-Jr	25	22	124	1	0	3.52	5	1	0	0	4	0	0	7.2	7	5	3	0	3	7	4	2	0	1.30	8.22	0.00	3.52	8.22	5.87	2.33
2021	Miami-Ohio	MAC	NCAA-1	Rs-Sr	25	23	125	5	5	3.44	14	11	1	0	3	0	0	73.1	65	41	28	4	11	82	5	0	15	1.04	7.98	0.49	1.35	10.06	5.03	7.45
2021	FCL Mets	FCL	Rk	NYN	26	23	107*	0	1	3.86	4	3	0	0	1	0	0	7.0	7	5	3	1	3	9	0	0	0	1.43	9.00	1.29	3.86	11.57	6.43	3.00
2021	St. Lucie Mets	FSL2	A	NYN	45	23		0	0	1.93	4	0	0	0	4	4	3	4.2	3	2	1	0	1	3	1	0	1	0.86	5.79	0.00	1.93	5.79	3.86	3.00
2022	St. Lucie Mets	FSL2	A	NYN	30	24	116*	3	0	4.30	10	0	0	0	10	5	3	14.2	15	8	7	0	5	21	1	1	0	1.36	9.20	0.00	3.07	12.89	4.91	4.20
2022	Brooklyn Cyclones	SAL2	A+	NYN	27	24	144*	1	0	0.59	11	0	0	0	11	11	7	15.1	9	1	1	1	6	24	1	0	0	0.98	5.28	0.59	3.52	14.09	0.59	4.00
2022	Binghamton Rumble Ponies	East2	AA	NYN	29	24	128*	0	2	1.14	16	0	0	0	16	9	3	23.2	14	8	3	0	11	34	2	0	4	1.06	5.32	0.00	4.18	12.93	3.04	3.09
2022	Syracuse Mets	IL2	AAA	NYN	40	24		2	0	0.00	2	0	0	0	2	1	0	3.0	0	0	0	0	2	4	0	0	0	0.67	0.00	0.00	6.00	12.00	0.00	2.00
2023	Syracuse Mets	IL2	AAA	NYN	25	25	100*	4	3	5.02	24	0	0	0	24	13	3	28.2	35	18	16	3	18	37	1	0	2	1.85	10.99	0.94	5.65	11.62	5.65	2.06
2023	New York Mets	NL	MLB	NYN	93	25	92*	4	2	5.05	28	0	0	0	28	5	0	35.2	35	24	20	3	15	31	2	0	6	1.40	8.83	0.76	3.79	7.82	6.06	2.07
2024	St. Lucie Mets	FSL2	A	NYN	58	26		0	0	0.00	2	2	0	0	0	0	0	2.0	1	0	0	0	1	2	1	0	1	1.00	4.50	0.00	4.50	9.00	0.00	2.00
2024	Binghamton Rumble Ponies	East2	AA	NYN	29	26		0	0	12.00	3	0	0	0	3	0	0	3.0	6	4	4	2	1	4	0	0	0	2.33	18.00	6.00	3.00	12.00	12.00	4.00
2024	Syracuse Mets	IL2	AAA	NYN	25	26	102	4	1	4.34	33	0	0	0	33	11	3	37.1	33	20	18	2	20	37	1	0	5	1.42	7.96	0.48	4.82	8.92	4.82	1.85
2024	New York Mets	NL	MLB	NYN	56	26		0	0	6.75	4	0	0	0	4	2	0	6.2	6	6	5	1	4	4	0	0	2	1.50	8.10	1.35	5.40	5.40	8.10	1.00
2025	Hanshin Tigers	Jap Cen	Intl			27		2	0	3.65	16	0	0	0	0	0	0	12.1	9	5	5	1	7	8	1	0	1	1.30	6.57	0.73	5.11	5.84	3.65	1.14
2025	Syracuse Mets	IL2	AAA	NYN	25	27	103*	2	3	3.42	21	0	0	0	21	9	2	23.2	27	22	9	5	10	33	0	0	2	1.56	10.27	1.90	3.80	12.55	8.37	3.30
2026	St. Paul Saints	IL2	AAA	MIN	43	28	83	5	3	6.30	34	0	0	0	34	10	4	40.0	50	29	28	4	19	38	3	3	9	1.73	11.25	0.90	4.28	8.55	6.53	2.00
Tot:	MLB (2 yrs)		MLB					4	2	5.31	32	0	0	0	32	7	0	42.1	41	30	25	4	19	35	2	0	8	1.42	8.72	0.85	4.04	7.44	6.38	1.84
Tot:	NL (2 yrs)		NL					4	2	5.31	32	0	0	0	32	7	0	42.1	41	30	25	4	19	35	2	0	8	1.42	8.72	0.85	4.04	7.44	6.38	1.84
Tot:	Minors (6 yrs)		Minors					21	13	3.99	164	5	0	0	159	73	28	203.0	200	117	90	18	97	246	11	4	24	1.46	8.87	0.80	4.30	10.91	5.19	2.54
Tot:	Rk (1 yrs)		Rk					0	1	3.86	4	3	0	0	1	0	0	7.0	7	5	3	1	3	9	0	0	0	1.43	9.00	1.29	3.86	11.57	6.43	3.00
Tot:	A (3 yrs)		A					3	0	3.37	16	2	0	0	14	9	6	21.1	19	10	8	0	7	26	3	1	2	1.22	8.02	0.00	2.95	10.97	4.22	3.71
Tot:	A+ (1 yrs)		A+					1	0	0.59	11	0	0	0	11	11	7	15.1	9	1	1	1	6	24	1	0	0	0.98	5.28	0.59	3.52	14.09	0.59	4.00
Tot:	AA (2 yrs)		AA					0	2	2.36	19	0	0	0	19	9	3	26.2	20	12	7	2	12	38	2	0	4	1.20	6.75	0.68	4.05	12.83	4.05	3.17
Tot:	AAA (5 yrs)		AAA					17	10	4.82	114	0	0	0	114	44	12	132.2	145	89	71	14	69	149	5	3	18	1.61	9.84	0.95	4.68	10.11	6.04	2.16
Tot:	College (4 yrs)		College					7	9	4.32	42	24	2	0	18	0	0	154.1	148	97	74	16	50	138	12	3	21	1.28	8.63	0.93	2.92	8.05	5.66	2.76
Avg:	MLB - 162 Inning avg		MLB					🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	162	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒
Avg:	Minors - 162 Inning avg		Minors					🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	162	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒
Avg:	College - 162 Inning avg		College					🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	162	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒

Other Pitching Statistics

CSV

Glossary

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year	team name	league	category	age	w	l	era	g	gs	cg	sho	gr	gf	sv	ip	h	r	er	hr	bb	so	wp	bk	hb	whip	h9	hr9	bb9	so9	ra9	so/bb
2017	Lake Erie Monarchs	Great Lakes Collegiate League	College Summer	19	3	0	4.45	8	6	1	1	2	0	0	32.1	32	18	16	4	16	29	3	0	1	1.48	8.91	1.11	4.45	8.07	5.01	1.81
2019	Lakeshore Chinooks	Northwoods League	College Summer	21	2	1	4.70	12	7	0	0	5	0	0	38.1	40	21	20	6	13	39	2	0	6	1.38	9.39	1.41	3.05	9.16	4.93	3.00
2020	Battle Creek Bombers	Northwoods League	College Summer	22	0	0	0.00	4	1	0	0	3	0	1	7.0	2	0	0	0	1	7	0	0	0	0.43	2.57	0.00	1.29	9.00	0.00	7.00
2022	Peoria Javelinas	Arizona Fall League	AFL	24	0	0	10.00	7	0	0	0	7	2	0	9.0	15	12	10	3	4	8	0	0	2	2.11	15.00	3.00	4.00	8.00	12.00	2.00
2023	New York Mets	MLB Spring Training	Spring	25	0	0	0.00	4	0	0	0	4	3	0	4.0	1	0	0	0	2	4	1	0	0	0.75	2.25	0.00	4.50	9.00	0.00	2.00
2024	New York Mets	MLB Spring Training	Spring	26	0	0	0.00	3	0	0	0	3	1	1	3.0	2	0	0	0	0	1	1	0	0	0.67	6.00	0.00	0.00	3.00	0.00	0.00
2025	New York Mets	MLB Spring Training	Spring	27	0	0	1.50	5	0	0	0	5	0	0	6.0	6	1	1	1	1	5	0	0	0	1.17	9.00	1.50	1.50	7.50	1.50	5.00
Tot:	CollegeSummer (3 Yrs)		CollegeSummer		5	1	4.17	24	14	1	1	0	10	1	77.2	74	39	36	10	30	75	5	0	7	1.34	8.58	1.16	3.48	8.69	4.52	2.50
Tot:	AFL (1 Yrs)		AFL		0	0	10.00	7	0	0	0	2	7	0	9.0	15	12	10	3	4	8	0	0	2	2.11	15.00	3.00	4.00	8.00	12.00	2.00
Tot:	Spring (3 Yrs)		Spring		0	0	0.69	12	0	0	0	4	12	1	13.0	9	1	1	1	3	10	2	0	0	0.92	6.23	0.69	2.08	6.92	0.69	3.33

Batting Statistics

CSV

Glossary

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MLB Stats

Minor League Stats

College Stats

Yearly Summary

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year	team name	league	level	mlb	#	age	pos	lnp	tbc+	g	ab	r	h	2b	3b	hr	rbi	sb	cs	bb	so	hbp	sh	sf	ibb	gdp	tb	pa	xbh	1b	avg	obp	slg	ops	seca	iso	babip	bb%	so%	so/bb	ab/hr
2017	Miami-Ohio	MAC	NCAA-1	Fr	25	19			108*	16	39	7	11	4	1	0	7	0	0	6	10	1	0	1	0	2	17	47	5	6	.282	.383	.436	.819	.308	.154	.367	12.77	21.28	1.67	0.00
2018	Miami-Ohio	MAC	NCAA-1	So	25	20				6	12	0	2	0	0	0	4	0	1	1	6	1	1	0	0	0	2	15	0	2	.167	.286	.167	.453	.000	.000	.333	6.67	40.00	6.00	0.00
Tot:	College (2 yrs)		College							22	51	7	13	4	1	0	11	0	1	7	16	2	1	1	0	2	19	62	5	8	.255	.361	.373	.733	.235	.118	.361	11.29	25.81	2.29
Avg:	College - 162 game avg		College							162	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒

Strikeouts	Walks	Hittable	SO/BB	vs Power	Durability	Team Success
72	58	45	67	45	45	.519

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