Players · S · Pitcher · 2026 regular season

Roki Sasaki

Los Angeles Dodgers National League West

Age: 25
B/T: R/R
Height: 6' 2"
Weight: 187 lb
Number: #11

Born: November 3, 2001 in Rikuzentakata, Japan
MLB debut: March 19, 2025

Compare with…vs Aaron Nola vs David Sandlin vs Dean Kremer

dbWAR: .4
IP: 122.1
ERA: 4.49
FIP: 4.73
K/9: 9.0
FIP−: 113

Roki Sasaki is a starting pitcher for the Los Angeles Dodgers. In 2026 he struck out 123 batters over 122.1 innings across 26 appearances, 23 of them starts, going 5-5. His ERA of 4.49 was 7.3% higher than the league average of 4.18 — 15th of 18 on his team, and 342nd of 539 among MLB pitchers with 20+ innings. Stripping out defence, his 4.73 FIP suggests the ERA was no fluke. He missed bats on 29.7% of swings (14.9% of every pitch he threw), walked 9.2% of the batters he faced and struck out 23.6%. His 0.6 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.

FIP4.73

K/99.0

WHIP1.32

WAR.6

WAR by season

Pitching Regular season

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

																				Trend
2026	LAD	26	23	122.1	5	5	0	113	61	123	48	4.49	4.73	1.32	9.0	3.5	107	113	0.6
2025	LAD	10	8	36.1	1	1	0	30	18	28	22	4.46	5.80	1.43	6.9	5.4	107	140	-0.3

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 Roki Sasaki's postseason pitching, by October and round. Not part of any regular-season figure on this page.
Season	Team	Round	G	IP	SV	H	ER	BB	SO	ERA	WHIP	K/9
2026 Post	LAD	Postseason total · through Oct 14	3	3.1	0	2	1	3	2	2.70	1.50	5.4
		NLDS	1	2.0	0	0	0	2	1	0.00	1.00	4.5
		NLCS	2	1.1	0	2	1	1	1	6.75	2.25	6.8
2025 Post	LAD	Postseason total	9	10.2	3	6	1	5	6	0.84	1.03	5.1
		Wild Card	1	1.0	0	0	0	0	2	0.00	0.00	18.0
		NLDS	3	4.1	2	1	0	0	3	0.00	0.23	6.2
		NLCS	3	2.2	1	2	1	2	1	3.38	1.50	3.4
		World Series	2	2.2	0	3	0	3	0	0.00	2.25	0.0
Career		Postseason total · 2 Octobers	12	14.0	3	8	2	8	8	1.29	1.14	5.1

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	301	268	62	11	31	74	.231	.310	.418	.322	24.6%
vs RHB	221	198	51	11	17	49	.258	.330	.520	.366	22.2%

Pitch sequencing

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

ShowBatter

Four-seamSplitterSliderForkball

Select a count to see exactly what Roki Sasaki throws in it.

Pitch arsenal

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

Season


Four-Seam Fastball	42.0%	881	97.9	2,282	50.1%	20.0%	190	.321	1.008
Splitter	28.4%	596	90.3	918	46.5%	35.7%	151	.166	.503
Slider	21.6%	454	86.6	2,050	49.6%	39.5%	88	.216	.767
Forkball	8.0%	169	85.6	623	36.1%	34.2%	39	.205	.680

Roki Sasaki'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.

Aaron NolaPHI

ERA: 4.67
FIP: 4.87
SO: 177
WAR: 0.9

Very close

Jack LeiterTEX

ERA: 5.29
FIP: 4.77
SO: 83
WAR: 0.4

Very close

Bryce MillerSEA

ERA: 4.17
FIP: 4.41
SO: 119
WAR: 1.0

Very close

Zebby MatthewsMIN

ERA: 4.90
FIP: 4.71
SO: 116
WAR: 0.8

Very close

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.