Players · S · Pitcher · 2026 regular season

Kodai Senga

Age: 33
B/T: L/R
Height: 6' 1"
Weight: 202 lb
Number: #34

Born: January 30, 1993 in Gamagori, Japan
MLB debut: April 2, 2023
Salary, 2026: $15M

Compare with…vs Brendon Little vs Justin Lawrence vs Alex Lange

dbWAR: 4.1
IP: 61.1
ERA: 7.34
FIP: 5.83
K/9: 11.0
FIP−: 139

Kodai Senga is a relief pitcher for the New York Mets. In 2026 he struck out 75 batters over 61.1 innings across 31 appearances, going 0-9. His ERA of 7.34 was 75.5% higher than the league average of 4.18 — the worst on his team, and 533rd of 539 among MLB pitchers with 20+ innings. Stripping out defence, his 5.83 FIP suggests he pitched better than his ERA shows. He missed bats on 29.1% of swings (12.9% of every pitch he threw), walked 14.5% of the batters he faced and struck out 26.5%. His -0.7 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.

FIP5.83

K/911.0

WHIP1.65

WAR-.7

WAR by season

Pitching Regular season

Standard and advanced, by season. Regular-season games only — postseason games are listed separately below.


2026	NYM	31	8	61.1	0	9	8	60	50	75	41	7.34	5.83	1.65	11.0	6.0	175	139	-0.7
2025	NYM	22	22	113.1	7	6	0	94	38	109	55	3.02	4.12	1.31	8.7	4.4	73	99	1.4
2024	NYM	1	1	5.1	1	0	0	2	2	9	1	3.38	3.35	0.56	15.2	1.7	83	82	0.1
2023	NYM	29	29	166.1	12	7	0	126	55	202	77	2.98	3.63	1.22	10.9	4.2	69	84	3.3

Separate from the regular season

Postseason Postseason

Wild Card through World Series. These games are counted on their own: none of them are in the regular-season tables, career totals, league context, leaderboards or dbWAR on this page.

Postseason pitching

Postseason Kodai Senga's postseason pitching, by October and round. Not part of any regular-season figure on this page.
Season	Team	Round	G	GS	IP	L	H	ER	HR	BB	SO	ERA	WHIP	K/9
2024 Post	NYM	Postseason total	3	2	5.0	1	6	7	1	7	4	12.60	2.60	7.2
		NLDS	1	1	2.0	0	1	1	1	1	3	4.50	1.00	13.5
		NLCS	2	1	3.0	1	5	6	0	6	1	18.00	3.67	3.0

Box-score and rate statistics only. wOBA, wRC+, FIP and dbWAR are measured against a full league season, and a postseason is a few teams playing each other for a month, so they are not computed for October.

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	149	129	38	7	18	38	.295	.389	.535	.403	25.5%
vs RHB	134	108	22	7	23	37	.204	.351	.444	.355	27.6%

Pitch sequencing

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

ShowBatter

Four-seamForkballCutterSweeperSliderSinker

Select a count to see exactly what Kodai Senga throws in it.

Pitch arsenal

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

Season


Four-Seam Fastball	42.7%	480	96.3	2,377	46.3%	15.8%	100	.280	.931
Forkball	26.6%	299	83.3	1,183	40.5%	49.2%	69	.116	.462
Cutter	13.2%	148	90.0	2,427	45.3%	25.8%	29	.345	1.017
Sweeper	8.0%	90	81.5	2,580	41.1%	22.2%	13	—	—
Slider	6.1%	68	86.7	2,548	48.5%	47.7%	20	.250	1.218
Sinker	3.2%	36	90.2	2,231	41.7%	18.8%	6	—	—

Kodai Senga'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.

Alex LangeKC

ERA: 6.75
FIP: 5.87
SO: 60
WAR: -0.7

Mason BarnettATH

ERA: 7.02
FIP: 6.66
SO: 50
WAR: -0.9

Phil MatonCHC

ERA: 6.18
FIP: 5.49
SO: 31
WAR: -0.2

Comparable

Justin LawrencePIT

ERA: 7.34
FIP: 6.98
SO: 43
WAR: -0.9

Comparable

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.