What years did Grant Hartwig play?

Grant Hartwig played in Major League Baseball from 2023 to 2024.

Was Grant Hartwig a pitcher?

Yes. Grant Hartwig pitched in the major leagues, recording 5 wins and 34 strikeouts.

What was Grant Hartwig's career ERA?

Grant Hartwig finished with a 5.14 career ERA, going 5-2 with 34 strikeouts.

How many strikeouts did Grant Hartwig have?

Grant Hartwig recorded 34 career strikeouts.

Is Grant Hartwig in the Hall of Fame?

No. Grant Hartwig has not been inducted into the National Baseball Hall of Fame.

What teams did Grant Hartwig play for?

Grant Hartwig played for the New York Mets.

Grant Hartwig

Pitcher · Career Stats, Bio & Records (2023-2024)

Grant Hartwig was a pitcher who played in Major League Baseball from 2023 to 2024 for the New York Mets, a span of 2 seasons. Across 32 career appearances, he went 5-2 with a 5.14 ERA and 34 strikeouts.

W (Wins):: Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
ERA (Earned Run Average):: Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
SO (Strikeouts):: For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
WHIP (Walks and Hits per Inning Pitched):: Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.

Data updated September 9, 2026

W–L 5–2

ERA 5.14

WHIP 1.40

SO 34

Pitcher PIV -98.9

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 6'5" / 235 lb
Born: 12/18/1997 in Detroit, MI, USA
MLB Debut: 2023-06-19

Full name: Grant Alexander Hartwig

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Career Pitching Statistics

Grant Hartwig — Career Pitching Statistics
W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
5	2	32	0	0	0	0	42.0	40	24	4	19	34	5.14	-98.9

Career ERA 5.14 vs. league average 4.21 across their career seasons — 22.3% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Grant Hartwig — Season-by-Season Pitching
Year	Team	Lg	W	L	G	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
2023	NYN	NL	5	2	28	35.3	34	19	15	30	4.84	4.33 (-12%)	-98.9
2024	NYN	NL	0	0	4	6.7	6	5	4	4	6.75	—	0.0
Career · 2 seasons			5	2	32	42.0	40	24	19	34	5.14	—	-99

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Career Batting Statistics

Grant Hartwig — Career Batting Statistics
G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
32	0	0	0	0	0	0	0	0	0	0	.000	.000	.000	.000	0

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Grant Hartwig — Season-by-Season Batting
Year	Team	Lg	G	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
2023	NYN	NL	28	.000	—	—	—	—	0.0
2024	NYN	NL	4	.000	—	—	—	—	0.0
Career · 2 seasons			32	—	—	—	—	—	0

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Game Log & Splits

View full game log (64 games) →

Per-game data from Retrosheet (regular season, through 2025).

Batting — Home / Away

Grant Hartwig — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	15	0	0	0	0	0	—
Away	17	0	0	0	0	0	—

Pitching — Home / Away

Grant Hartwig — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	15	18.1	23	16	6	18	7.85
Away	17	23.2	17	8	13	16	3.04

Last 10 Games — Pitching

Grant Hartwig — Last 10 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
2024-05-17	NYN	MIA	—	2.0	3	2	2	2	3	0
2024-05-15	NYN	PHI	—	1.2	2	2	1	0	0	0
2024-04-21	NYN	LAD	—	2.0	1	2	2	2	1	1
2024-04-17	NYN	PIT	—	1.0	0	0	0	0	0	0
2023-09-28	NYN	MIA	W	1.0	0	0	0	0	1	0
2023-09-27	NYN	MIA	—	1.0	0	0	0	0	0	0
2023-09-24	NYN	PHI	—	1.1	2	1	1	1	2	0
2023-09-21	NYN	PHI	—	2.1	0	0	0	0	3	0
2023-09-18	NYN	MIA	—	1.0	1	0	0	0	1	0
2023-09-15	NYN	CIN	L	1.2	2	2	2	0	3	1

Fielding Statistics

Career Fielding Totals by Position

Grant Hartwig — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
P	32	0	2	2	1	0

Season-by-Season Fielding

Grant Hartwig — Season-by-Season Fielding
Year	Team	Pos	G	GS	PO	A	E	DP
2023	NYN	P	28	0	2	2	1	0
2024	NYN	P	4	0	0	0	0	0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Grant Hartwig — Career Games by Position
Position	Games
Pitcher	32

Frequently Asked Questions about Grant Hartwig

What years did Grant Hartwig play?: Grant Hartwig played in Major League Baseball from 2023 to 2024.
Was Grant Hartwig a pitcher?: Yes. Grant Hartwig pitched in the major leagues, recording 5 wins and 34 strikeouts.
What was Grant Hartwig's career ERA?: Grant Hartwig finished with a 5.14 career ERA, going 5-2 with 34 strikeouts.
How many strikeouts did Grant Hartwig have?: Grant Hartwig recorded 34 career strikeouts.
Is Grant Hartwig in the Hall of Fame?: No. Grant Hartwig has not been inducted into the National Baseball Hall of Fame.
What teams did Grant Hartwig play for?: Grant Hartwig played for the New York Mets.