Players · H · Pitcher · 2026 regular season

Colin Holderman

Cleveland Guardians American League Central

Age: 31
B/T: R/R
Height: 6' 6"
Weight: 230 lb
Number: #35

Born: October 8, 1995 in Bourbonnais, IL, United States
MLB debut: May 15, 2022
Drafted: 2016, round 9
College: Heartland CC
High school: Bradley-Bourbonnais
Salary, 2026: $1.5M

Compare with…vs Sean Newcomb vs Victor Mederos vs Alec Gamboa

dbWAR: 2.2
IP: 52.2
ERA: 2.73
FIP: 3.16
K/9: 8.5
FIP−: 76

Colin Holderman is a relief pitcher for the Cleveland Guardians. In 2026 he struck out 50 batters over 52.2 innings across 54 appearances, going 6-4. His ERA of 2.73 was 34.6% lower than the league average of 4.18 — 4th of 15 on his team, and 67th of 539 among MLB pitchers with 20+ innings. Stripping out defence, his 3.16 FIP suggests that his ERA had some help behind him. He missed bats on 27.0% of swings (12.0% of every pitch he threw), walked 9.0% of the batters he faced and struck out 22.5%. His 1.0 dbWAR is built from that FIP rather than runs allowed, so it credits him for what he controls and not for the defence behind him.

League context

Percentile among qualified pitchers, 2026 regular season.

FIP3.16

K/98.5

WHIP1.04

WAR1.0

WAR by season

Pitching Regular season

Standard and advanced, by season. Regular-season games only.


2026	CLE	54	52.2	6	4	1	35	16	50	20	2.73	3.16	1.04	8.5	3.4	65	76	1.0
2025	PIT	24	25.2	0	2	1	34	20	18	16	7.01	5.86	1.95	6.3	5.6	169	141	-0.4
2024	PIT	55	51.1	3	6	0	42	18	56	25	3.16	4.26	1.31	9.8	4.4	77	104	0.2
2023	PIT	58	56.0	0	3	2	55	24	58	20	3.86	3.29	1.34	9.3	3.2	89	76	1.0
2022	NYM/PIT	24	28.1	5	0	0	20	12	24	14	3.81	3.32	1.20	7.6	4.4	96	84	0.4

Platoon splits

How left- and right-handed hitters fare against him.

Season

Opponent batting by the side the hitter bats from, 2026. Counted from play-by-play, so totals can differ from the box-score season line by a plate appearance or two.
Split	PA	AB	H	HR	BB	SO	AVG	OBP	SLG	wOBA	K%
vs LHB	115	97	17	1	11	24	.175	.304	.237	.266	20.9%
vs RHB	107	92	18	0	9	26	.196	.283	.250	.247	24.3%

Pitch sequencing

What Colin Holderman throws in each count, and what he follows each pitch with. Select any cell for the breakdown.

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SinkerSweeperCurveballFour-seam

Select a count to see exactly what Colin Holderman throws in it.

Pitch arsenal

What he throws, how hard, how often it misses, and what hitters do with it.

Season


Sinker	51.0%	438	96.7	2,256	45.9%	13.8%	98	.224	.579
Sweeper	33.6%	289	84.7	2,576	47.1%	44.9%	61	.115	.408
Curveball	10.5%	90	83.1	2,749	32.2%	34.2%	21	.143	.440
Four-Seam Fastball	4.7%	40	97.0	2,413	47.5%	31.6%	8	—	—

Colin Holderman's arsenal by usage. Velocity is average release speed in mph, spin in rpm, and whiff rate is misses per swing — the cleanest single measure of whether a pitch beats hitters. BAA and OPS are what hitters did against each pitch, credited to the one that ended the plate appearance, and are left blank under 15 at-bats.

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Similar players

Nearest 2026 seasons by command, run prevention and role, on rate statistics rather than totals.

Sean NewcombCWS

ERA: 3.09
FIP: 3.21
SO: 84
WAR: 1.6

Very close

Victor MederosATL

ERA: 3.41
FIP: 3.07
SO: 34
WAR: 0.7

Very close

Yennier CanoBAL

ERA: 2.90
FIP: 2.78
SO: 45
WAR: 1.1

Josh WalkerBAL

ERA: 2.08
FIP: 3.33
SO: 29
WAR: 0.5

How these are computed

wOBA uses linear weights measured from this season's own play-by-play rather than published constants, and wRC+ is park-adjusted against that same league. dbWAR is our own open implementation — not fWAR or bWAR — and the full derivation, including its simplifications, is on the methodology page.