Isaiah Campbell (RP) - Seattle Mariners MLB Stats 2025

Updated Oct 28, 2026 10:52 PM ET

Isaiah Campbell

· RP · MLB · 3,507 views

29 yrs · 6' 4" · 230 lbs · Arkansas · Bats: Right / Throws: Right · Debut: 2023

FPPG (DK, 2025)

—

ERA

8.31

W-L

0-0

13.0

2025 Season Stats

Isaiah posted a 8.31 ERA over 13.0 innings pitched in 2025. He had struck out 6 batters and walked 6 and averaging 4.2 strikeouts per nine innings. His WHIP stood at 2.23, allowing 23 hits and 1 home run.

Pitching Splits Pitching performance splits against left-handed and right-handed batters. 2025 Season - 35 TBF

Split	K%	K/9	BB%	wOBA	xFIP	HH%
vs LHB	0.0%	0.0	8.3%	0.500	4.14	30.0%
vs RHB	13.0%	5.1	0.0%	0.450	4.00	30.0%
Overall	8.6%	3.5	2.9%	0.493	4.14	30.0%

Pitching Splits — K% & BB% (2025) Strikeout and walk rates against left-handed batters, right-handed batters, and overall.

Pitching Splits — wOBA (2025) Weighted on-base average allowed against left-handed batters, right-handed batters, and overall. Lower is better for pitchers.

Pitching Splits — HH% (2025) Hard-hit rate allowed against left-handed batters, right-handed batters, and overall. Lower is better for pitchers.

Season Context Key season-level pitching metrics including games played, SIERA, and batted ball data. 2025 Season - 35 TBF

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SIERA

4.16

P/IP

15.1

TBF

HH%

30.0%

Barrel%

3.3%

CSW%

—

CSW Prev

26.6%

GB%

76.5%

FB%

23.5%

Bullpen

4.24

RSB

—

Batted Ball Profile (2025) Ground ball vs fly ball tendency — higher GB% generally means fewer home runs allowed.

Traditional Stats Standard pitching stats: ERA, FIP, W/L, saves, holds, innings, and games started. 2025 Season

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Isaiah Campbell MLB Stats 2025

Isaiah Campbell is a RP for the Seattle Mariners. View Isaiah's 2026 stats, recent performance trends, and key statistical categories to evaluate fantasy value and make informed DFS lineup decisions.

Stats updated November 11, 2026.