BIGLEAGUE

Seattle Mariners · Pitcher · #68

George Kirby

Age 286' 4" · 215lbBats R · Throws RDebut 2022From Rye

ERA

4.18

W-L

8-10

K

117

WHIP

1.36

WAR

2.1

FIP

3.76

Awards

3 major honors

All-Star ×2

2019 · 2023

AL Rookie of the Month

2022

League Percentile

2026 season · percentile vs 194 starters with 20+ IP
the entire league54starting pitchers194
ERA
51
4.18
WHIP
41
1.36
Strikeouts
71
117
K/9
37
7.52
Wins
72
8
Bottom of leagueAverage (50)Top of league

starting pitchers · by ERA

Top 49%

George Kirby's ERA (4.18) ranks above average among 194 starters with 20+ IP. The number on each bar is a percentile (higher is better); use the tabs to change the comparison pool.

PITCHING

Season · Career
CategoryGamesERAWinsLossesSavesInningsStrikeoutsWalksWHIP
2026 Season244.188100140.0117331.36
Career1363.6953440777.27381261.16

Hover over a stat for its definition.

ARSENAL

Pitch arsenal · 2026 usage and average velocity
Sweeper29.5%avg 140 km/h
Four-Seam28.4%avg 155 km/h
Sinker21.1%avg 156 km/h
Knuckle Curve10.2%avg 135 km/h
Changeup6.4%avg 143 km/h
Cutter3.4%avg 150 km/h
Splitter1.1%avg 141 km/h

ADVANCED

Advanced metrics · 2026 season

BABIP

.336

K/9

7.52

BB/9

2.12

HR/9

1.09

Quality starts

13

Whiff%

21.6%

GAME LOG

Last 10 games · includes team result
DateOppInningsHitsERWalksStrikeoutsTeam
08.20@ MIL3.19623L
08.14@ HOU4.28532L
08.08vs TB5.04122L
08.02vs MIN7.05013W
07.27@ TEX4.07703L
07.20vs CIN6.03016W
07.08@ MIA6.08207L
06.29vs LAA8.07217W
06.23@ PIT6.09125W
06.17vs BAL6.08305L

SPLITS

Situational splits (2026)

Home

Opp AVG.247
IP79.1
K66
WHIP1.16

Away

Opp AVG.331
IP60.2
K51
WHIP1.62

vs LHP

Opp AVG.279
IP73.0
K55
WHIP1.41

vs RHP

Opp AVG.292
IP66.2
K62
WHIP1.31

RISP

Opp AVG.299
IP30.1
K30
WHIP1.45

YEAR BY YEAR

Year-by-year · Career trends

ERALower is better

▼ Trending up year over year
ERA by yearFrom 3.39 in 2022 to 4.18 in 2026. Lower is better for this stat.2022 ERA: 3.393.3920222023 ERA: 3.353.3520232024 ERA: 3.5320242025 ERA: 4.214.2120252026 ERA: 4.184.182026
Show yearly figures
ERA year-by-year details
YearERA
20223.39
20233.35
20243.53
20254.21
20264.18

WHIPLower is better

▲ Trending down year over year
WHIP by yearFrom 1.21 in 2022 to 1.36 in 2026. Lower is better for this stat.2022 WHIP: 1.211.2120222023 WHIP: 1.041.0420232024 WHIP: 1.0720242025 WHIP: 1.1920252026 WHIP: 1.361.362026
Show yearly figures
WHIP year-by-year details
YearWHIP
20221.21
20231.04
20241.07
20251.19
20261.36

Strikeouts

▼ Trending down year over year
Strikeouts by yearFrom 133 in 2022 to 117 in 2026.2022 Strikeouts: 13313320222023 Strikeouts: 17220232024 Strikeouts: 17917920242025 Strikeouts: 13720252026 Strikeouts: 1171172026
Show yearly figures
Strikeouts year-by-year details
YearStrikeouts
2022133
2023172
2024179
2025137
2026117
YearTeamGamesERAWinsLossesSavesInningsStrikeoutsWalksWHIP
2022SEA253.39850130.0133221.21
2023SEA313.3513100190.2172191.04
2024SEA333.5314110191.0179231.07
2025SEA234.211080126.0137291.19
2026SEA244.188100140.0117331.36