BIGLEAGUE

Seattle Mariners · Pitcher · #22

Bryan Woo

Age 266' 2" · 205lbBats R · Throws RDebut 2023From Oakland

ERA

4.01

W-L

12-10

K

175

WHIP

1.10

WAR

4.1

FIP

3.24

Awards

2 major honors

All-MLB Second Team

2025

All-Star

2025

League Percentile

2026 season · percentile vs 46 qualified pitchers
ERA
32
4.01
WHIP
71
1.10
Strikeouts
55
175
K/9
57
9.10
Wins
54
12
Bottom of leagueAverage (50)Top of league

the entire league · by ERA

Top 68%

Bryan Woo's ERA (4.01) ranks below average among 46 qualified pitchers. The number on each bar is a percentile (higher is better); use the tabs to change the comparison pool.

PITCHING

Season · Career
CategoryGamesERAWinsLossesSavesInningsStrikeoutsWalksWHIP
2026 Season304.0112100173.0175391.10
Career1003.4540250568.25671191.02

Hover over a stat for its definition.

ARSENAL

Pitch arsenal · 2026 usage and average velocity
Four-Seam47.2%avg 155 km/h
Sinker19.1%avg 154 km/h
Slider13.3%avg 140 km/h
Sweeper11.6%avg 136 km/h
Changeup6.3%avg 144 km/h
Curveball2.5%avg 133 km/h

ADVANCED

Advanced metrics · 2026 season

BABIP

.285

K/9

9.10

BB/9

2.03

HR/9

0.94

Quality starts

16

Whiff%

25.2%

GAME LOG

Last 10 games · includes team result
DateOppInningsHitsERWalksStrikeoutsTeam
09.24vs LAA5.17438L
09.18@ COL5.110314W
09.12@ ATH6.03025W
09.06vs ATH8.01029W
09.01@ BOS6.05117W
08.26vs PHI4.05615L
08.16@ HOU6.03215W
08.11@ NYY5.03015L
08.05vs DET7.03015W
07.30@ LAD5.05528L

SPLITS

Situational splits (2026)

Home

Opp AVG.172
IP81.2
K91
WHIP0.82

Away

Opp AVG.276
IP91.1
K84
WHIP1.36

vs LHP

Opp AVG.236
IP95.0
K91
WHIP1.22

vs RHP

Opp AVG.224
IP77.2
K84
WHIP0.97

RISP

Opp AVG.333
IP28.1
K33
WHIP1.73

YEAR BY YEAR

Year-by-year · Career trends

ERALower is better

▲ Trending down year over year
ERA by yearFrom 4.21 in 2023 to 4.01 in 2026. Lower is better for this stat.2023 ERA: 4.214.2120232024 ERA: 2.892.8920242025 ERA: 2.9420252026 ERA: 4.014.012026
Show yearly figures
ERA year-by-year details
YearERA
20234.21
20242.89
20252.94
20264.01

WHIPLower is better

▲ Trending down year over year
WHIP by yearFrom 1.21 in 2023 to 1.10 in 2026. Lower is better for this stat.2023 WHIP: 1.211.2120232024 WHIP: 0.900.9020242025 WHIP: 0.9320252026 WHIP: 1.101.102026
Show yearly figures
WHIP year-by-year details
YearWHIP
20231.21
20240.90
20250.93
20261.10

Strikeouts

▼ Trending down year over year
Strikeouts by yearFrom 93 in 2023 to 175 in 2026.2023 Strikeouts: 939320232024 Strikeouts: 10120242025 Strikeouts: 19819820252026 Strikeouts: 1751752026
Show yearly figures
Strikeouts year-by-year details
YearStrikeouts
202393
2024101
2025198
2026175
YearTeamGamesERAWinsLossesSavesInningsStrikeoutsWalksWHIP
2023SEA184.2145087.293311.21
2024SEA222.89930121.1101130.90
2025SEA302.941570186.2198360.93
2026SEA304.0112100173.0175391.10