Yuki Matsui

Active

San Diego Padres · Pitcher

Age 305' 8" · 165 lbsThrows Left

#290 Current

FBaseball Overview

The 30-year-old Japanese right-hander provides intriguing upside as a multi-inning reliever and spot starter for San Diego, offering strikeout potential with 33 K in just 29.1 innings to open the 2026 season while maintaining an impressive 1.53 ERA and 1.09 WHIP. His peripherals demonstrate excellent command and stuff, though his modest win-loss record (0-1) and limited save opportunities (0 SV) suggest he operates primarily in a setup or piggyback role rather than as a traditional closer. The main risk lies in durability and consistency, as his workload remains relatively light compared to full-time starters, while his 2025 campaign showed slightly elevated earned run average (3.98 ERA) that warrants monitoring. For fantasy purposes, Matsui offers streaming value in points leagues and potential depth in deeper formats, with his strikeout rate representing the most reliable source of production moving forward.

MLB Pitching

Year	Team	G	W	L	SV	ERA	WHIP	K	IP	BB
2024	San Diego Padres	64	4	2	0	3.73	1.16	69	62.2	27
2025	San Diego Padres	61	3	1	1	3.98	1.36	61	63.1	33
2026	San Diego Padres	31	2	1	0	2.38	1.18	45	41.2	24
Career	Totals	156	9	4	1	3.49	1.24	175	167.2	84

Source: MLB Stats API · Multi-team seasons show combined totals — click to expand

Minor League Pitching

Year	Team	G	GS	W	L	SV	ERA	WHIP	K	IP	BB
2026	El Paso Chihuahuas	11	0	0	0	0	4.97	1.58	14	12.2	3
Career	Totals	11	0	0	0	0	4.97	1.58	14	12.2	3

Source: MLB Stats API · Multi-team seasons show combined totals — click to expand

Game Log2026 MLB

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Advanced Stats2026 season · via Baseball Savant

Click for year to year changes

FB Velo91.9 mph

Avg Spin2207 rpm

Whiff %36.5%

K %26.5%

BB %14.1%

Hard Hit %33.7%

Barrel %9.2%

xERA3.36

xBA Against0.173

xSLG Against0.330

BA Against0.180

SLG Against0.338

What These Stats Mean

FB Velo — Average fastball velocity. Harder throwers generate more swings and misses, setting up every other pitch in their arsenal. Velocity is the foundation of strikeout upside.

Avg Spin — Average spin rate across all pitches. Higher spin creates more movement and makes pitches harder to square up — elite spinners run better strikeout and batting average against numbers.

Whiff % — Swings-and-misses per swing. The most direct measure of a pitcher's ability to miss bats and the best leading indicator of strikeout rate.

K % — Strikeout rate per batter faced. The core fantasy pitching stat — high K% means reliable strikeout totals that hold up even in shorter starts.

BB % — Walk rate per batter faced. The primary control metric. High BB% tanks ERA and WHIP and keeps baserunners on constantly. Elite starters typically run below 7%.

Hard Hit % — Percentage of batted balls hit 95 mph or harder against. Low hard-hit% means weak contact, protecting both ERA and the defense behind the pitcher.

Barrel % — Percentage of batted balls barreled against. The most direct home run predictor — low barrel% pitchers rarely give up long balls.

xERA — Expected ERA based on contact quality allowed, removing the effect of sequencing, luck, and defense. Better predictor of future ERA than ERA itself.

xBA Against — Expected batting average opponents should hit based on contact quality. A gap between xBA and actual BA indicates unsustainable luck in either direction.

xSLG Against — Expected slugging allowed based on contact quality. High xSLG against predicts future extra-base damage; low xSLG means the pitcher is genuinely suppressing power.

BA Against — Actual batting average opponents are hitting — a key WHIP component. Check xBA to see if the number is sustainable.

SLG Against — Actual slugging allowed. Captures hits, doubles, triples, and home runs — lower means the pitcher is limiting the power damage he gives up.

GB% — Ground ball rate. High GB% pitchers generate double plays, limit home runs, and keep the ball in the park — great for protecting ERA and WHIP ratios.

FB% — Fly ball rate. High FB% pitchers give up more air contact — dangerous when combined with high exit velocity, less so when contact is soft.

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Year

Team

ERA

WHIP

2024

San Diego Padres

3.73

1.16

62.2

2025

San Diego Padres

3.98

1.36

63.1

2026

San Diego Padres

2.38

1.18

41.2

Career

Totals

156

3.49

1.24

175

167.2

Year

Team

ERA

WHIP

2026

El Paso Chihuahuas

4.97

1.58

12.2

Career

Totals

4.97

1.58

12.2