What years did Isaiah Campbell play?

Isaiah Campbell played in Major League Baseball from 2023 to 2025.

Was Isaiah Campbell a pitcher?

Yes. Isaiah Campbell pitched in the major leagues, recording 4 wins and 42 strikeouts.

What was Isaiah Campbell's career ERA?

Isaiah Campbell finished with a 5.65 career ERA, going 4-2 with 42 strikeouts.

How many strikeouts did Isaiah Campbell have?

Isaiah Campbell recorded 42 career strikeouts.

Is Isaiah Campbell in the Hall of Fame?

No. Isaiah Campbell has not been inducted into the National Baseball Hall of Fame.

What teams did Isaiah Campbell play for?

Isaiah Campbell played for the Seattle Mariners and the Boston Red Sox.

Isaiah Campbell

Pitcher · Career Stats, Bio & Records (2023-2025)

Isaiah Campbell is a pitcher who has played in Major League Baseball since 2023 for the Seattle Mariners and the Boston Red Sox, a span of 3 seasons. Across 41 career appearances, he has gone 4-2 with a 5.65 ERA and 42 strikeouts. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 725.9.

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 4–2

ERA 5.65

WHIP 1.51

SO 42

Pitcher PIV 725.9

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 6'4" / 230 lb
Born: 8/15/1997 in Angra do Heroismo, Azores, Portugal
MLB Debut: 2023-07-07

Full name: Isaiah Lyn Campbell

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Career Pitching Statistics

Isaiah Campbell — Career Pitching Statistics
W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
4	2	41	0	0	0	1	43.0	49	27	6	16	42	5.65	725.9

Career ERA 5.65 vs. league average 4.19 across their career seasons — 34.9% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Isaiah Campbell — Season-by-Season Pitching
Year	Team	Lg	W	L	G	SV	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
2023	SEA	AL	4	1	27	1	28.7	22	9	13	33	2.83	4.33 (+35%)	725.9
2024	BOS	AL	0	1	8	0	6.7	14	12	2	6	16.20	—	0.0
2025	BOS	AL	0	0	6	0	7.7	13	6	1	3	7.04	—	0.0
Career · 3 seasons			4	2	41	1	43.0	49	27	16	42	5.65	—	726

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

Isaiah Campbell — Career Batting Statistics
G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
41	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.

Isaiah Campbell — Season-by-Season Batting
Year	Team	Lg	G	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
2023	SEA	AL	27	.000	—	—	—	—	0.0
2024	BOS	AL	8	.000	—	—	—	—	0.0
2025	BOS	AL	6	.000	—	—	—	—	0.0
Career · 3 seasons			41	—	—	—	—	—	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 (82 games) →

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

Batting — Home / Away

Isaiah Campbell — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	20	0	0	0	0	0	—
Away	21	0	0	0	0	0	—

Pitching — Home / Away

Isaiah Campbell — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	20	20.1	31	20	8	20	8.85
Away	21	22.2	18	7	8	22	2.78

Last 10 Games — Pitching

Isaiah Campbell — Last 10 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
2025-08-16	BOS	MIA	—	0.2	4	3	3	0	0	0
2025-08-11	BOS	HOU	—	1.0	1	0	0	0	0	0
2025-08-10	BOS	SDP	—	1.0	1	0	0	1	1	0
2025-08-08	BOS	SDP	—	1.0	0	0	0	0	0	0
2025-08-06	BOS	KCR	—	2.0	3	1	1	0	2	0
2025-07-09	BOS	COL	—	2.0	4	2	2	0	0	1
2024-06-24	BOS	TOR	—	0.1	3	3	3	0	1	1
2024-04-11	BOS	BAL	L	1.0	4	6	5	1	1	2
2024-04-10	BOS	BAL	—	1.0	4	3	3	0	0	0
2024-04-06	BOS	LAA	—	0.1	1	0	0	1	0	0

Fielding Statistics

Career Fielding Totals by Position

Isaiah Campbell — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
P	41	0	5	4	1	1

Season-by-Season Fielding

Isaiah Campbell — Season-by-Season Fielding
Year	Team	Pos	G	PO	A	E	DP
2023	SEA	P	27	1	1	1	0
2024	BOS	P	8	1	2	0	0
2025	BOS	P	6	3	1	0	1

Career Games by Position

Position Diamond

Circle size = games played at each position.

Isaiah Campbell — Career Games by Position
Position	Games
Pitcher	41

Frequently Asked Questions about Isaiah Campbell

What years did Isaiah Campbell play?: Isaiah Campbell played in Major League Baseball from 2023 to 2025.
Was Isaiah Campbell a pitcher?: Yes. Isaiah Campbell pitched in the major leagues, recording 4 wins and 42 strikeouts.
What was Isaiah Campbell's career ERA?: Isaiah Campbell finished with a 5.65 career ERA, going 4-2 with 42 strikeouts.
How many strikeouts did Isaiah Campbell have?: Isaiah Campbell recorded 42 career strikeouts.
Is Isaiah Campbell in the Hall of Fame?: No. Isaiah Campbell has not been inducted into the National Baseball Hall of Fame.
What teams did Isaiah Campbell play for?: Isaiah Campbell played for the Seattle Mariners and the Boston Red Sox.