What years did Justin Slaten play?

Justin Slaten played in Major League Baseball from 2024 to 2026.

Was Justin Slaten a pitcher?

Yes. Justin Slaten pitched in the major leagues, recording 10 wins and 122 strikeouts.

What was Justin Slaten's career ERA?

Justin Slaten finished with a 3.73 career ERA, going 10-10 with 122 strikeouts.

How many strikeouts did Justin Slaten have?

Justin Slaten recorded 122 career strikeouts.

Is Justin Slaten in the Hall of Fame?

No. Justin Slaten has not been inducted into the National Baseball Hall of Fame.

What teams did Justin Slaten play for?

Justin Slaten played for the Boston Red Sox.

Justin Slaten

Pitcher · Career Stats, Bio & Records (2024-2026)

Justin Slaten is a pitcher who has played in Major League Baseball since 2024 for the Boston Red Sox, a span of 3 seasons. Across 116 career appearances, he has gone 10-10 with a 3.73 ERA and 122 strikeouts. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 2456.8.

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

Active Player

W–L 10–10

ERA 3.73

WHIP 1.13

SO 122

Pitcher PIV 2456.8

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 6'4" / 222 lb
Born: 9/15/1997 in Longview, TX, USA
MLB Debut: 2024-03-30

Full name: Justin Michael Slaten

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Career Pitching Statistics

Justin Slaten — Career Pitching Statistics
W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
10	10	116	0	0	0	5	120.7	109	50	11	27	122	3.73	2456.8

Career ERA 3.73 vs. league average 4.14 across their career seasons — 9.8% better than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Justin Slaten — Season-by-Season Pitching
Year	Team	Lg	W	L	G	SV	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
2024	BOS	AL	6	2	44	2	55.3	47	18	9	58	2.93	4.08 (+28%)	2059.2
2025	BOS	AL	2	4	36	3	34.0	27	16	10	25	4.24	4.16 (-2%)	397.6
2026	BOS	AL	2	4	36	0	31.3	35	16	8	39	4.60	4.17 (-10%)	-
Career · 3 seasons			10	10	116	5	120.2	109	50	27	122	3.73	—	2,457

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

Justin Slaten — Career Batting Statistics
G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
80	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.

Justin Slaten — Season-by-Season Batting
Year	Team	Lg	G	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
2024	BOS	AL	44	.000	—	—	—	—	0.0
2025	BOS	AL	36	.000	—	—	—	—	0.0
Career · 2 seasons			80	—	—	—	—	—	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.

Postseason Statistics

Playoff Career Batting

Justin Slaten — Playoff Career Batting
G	AB	R	H	2B	3B	HR	RBI	BB	SO	AVG
2	0	0	0	0	0	0	0	0	0	.000

Playoff Batting by Year

Justin Slaten — Playoff Batting by Year
Year	Round	Team	G	AB	R	H	2B	3B	HR	RBI	BB	SO	AVG
2025	ALWC2	BOS	2	0	0	0	0	0	0	0	0	0	.000

Playoff Career Pitching

Justin Slaten — Playoff Career Pitching
W	L	G	GS	SV	IP	H	ER	BB	SO	ERA
0	0	2	0	0	2.0	1	1	1	1	4.50

Playoff Pitching by Year

Justin Slaten — Playoff Pitching by Year
Year	Round	Team	W	L	G	GS	SV	IP	H	ER	BB	SO	ERA
2025	ALWC2	BOS	0	0	2	0	0	2.0	1	1	1	1	4.50

Game Log & Splits

View full game log (160 games) →

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

Batting — Home / Away

Justin Slaten — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	35	0	0	0	0	0	—
Away	45	0	0	0	0	0	—

Pitching — Home / Away

Justin Slaten — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	35	42.1	27	8	7	35	1.70
Away	45	47.0	47	26	12	48	4.98

Last 10 Games — Pitching

Justin Slaten — Last 10 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
2025-09-26	BOS	DET	—	0.2	0	0	0	1	0	0
2025-09-23	BOS	TOR	—	1.0	0	0	0	0	0	0
2025-09-20	BOS	TBR	—	0.1	1	0	0	0	0	0
2025-09-19	BOS	TBR	—	1.0	0	0	0	0	2	0
2025-09-17	BOS	OAK	—	1.1	0	0	0	0	1	0
2025-09-16	BOS	OAK	—	1.0	0	0	0	0	0	0
2025-09-10	BOS	OAK	—	0.1	2	2	2	1	0	0
2025-09-09	BOS	OAK	—	1.0	2	0	0	0	1	0
2025-09-05	BOS	AZ	—	1.0	4	4	4	0	1	1
2025-09-02	BOS	CLE	W	1.0	1	0	0	0	1	0

Fielding Statistics

Career Fielding Totals by Position

Justin Slaten — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
P	80	0	5	3	0	0

Season-by-Season Fielding

Justin Slaten — Season-by-Season Fielding
Year	Team	Pos	G	GS	PO	A	E	DP
2024	BOS	P	44	0	2	2	0	0
2025	BOS	P	36	0	3	1	0	0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Justin Slaten — Career Games by Position
Position	Games
Pitcher	80

Frequently Asked Questions about Justin Slaten

What years did Justin Slaten play?: Justin Slaten played in Major League Baseball from 2024 to 2026.
Was Justin Slaten a pitcher?: Yes. Justin Slaten pitched in the major leagues, recording 10 wins and 122 strikeouts.
What was Justin Slaten's career ERA?: Justin Slaten finished with a 3.73 career ERA, going 10-10 with 122 strikeouts.
How many strikeouts did Justin Slaten have?: Justin Slaten recorded 122 career strikeouts.
Is Justin Slaten in the Hall of Fame?: No. Justin Slaten has not been inducted into the National Baseball Hall of Fame.
What teams did Justin Slaten play for?: Justin Slaten played for the Boston Red Sox.