George Kirby 2025 season stats

George Kirby played 23 games for the Seattle Mariners in the 2025 MLB regular season, with 10 wins, a 4.21 ERA and 137 strikeouts.

All George Kirby seasonsSeattle Mariners

2025 regular season

GP
23
R
60
H
121
K
137
L
8
W
10
BB
29
ER
59
GS
23
IP
126.0
SV
0
W%
0.6

2025 postseason

GP
4
R
12
H
21
K
21
L
1
W
0
BB
4
ER
12
GS
4
IP
18.0
SV
0
W%
0.0

2025 splits

Totals, from the 23 regular-season games in the log.

George Kirby, 2025 splits
GP: Games the player appeared in, however briefly.IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs.H: Times the batter reached base by hitting the ball, without help from an error.R: Runs — scored by the batter, or allowed by the pitcher.ER: Earned runs allowed — runs that scored without help from an error.BB: Times the batter reached first base on four balls.K: Batters this pitcher struck out.HR: Home runs hit.ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent.
All games23126.0121605929137154.21
Home1266.2572525177373.38
Away1159.1643534126485.16
Wins1375.2572222169682.62
Losses1050.1643837134176.62
May28.213111138311.42
June634.028121263343.18
July529.122101093323.07
August530.230121282933.52
September523.128151433435.40

What the columns mean: IP · H · R · BB · K · HR · ERA

By opponent

George Kirby, 2025, by opponent
GP: Games the player appeared in, however briefly.IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs.H: Times the batter reached base by hitting the ball, without help from an error.R: Runs — scored by the batter, or allowed by the pitcher.ER: Earned runs allowed — runs that scored without help from an error.BB: Times the batter reached first base on four balls.K: Batters this pitcher struck out.HR: Home runs hit.ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent.
vs ATH16.04113301.50
vs BAL212.0112211001.50
vs CHC15.07441327.20
vs CHW16.05222903.00
vs CLE212.0114431133.00
vs DET15.05443617.20
vs HOU29.2115511104.66
vs KC16.03110501.50
vs LAA319.1106633742.79
vs LAD15.032211013.60
vs MIL16.05441306.00
vs MIN16.03111301.50
vs NYM14.2127734113.50
vs PIT16.14000900.00
vs STL14.07332206.75
vs TB12.0108701031.50
vs TEX16.03002600.00
vs WSH15.076624310.80

What the columns mean: IP · H · R · BB · K · HR · ERA

2025 games

George Kirby, last 15 games, 2025 regular season
IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs.H: Times the batter reached base by hitting the ball, without help from an error.R: Runs — scored by the batter, or allowed by the pitcher.ER: Earned runs allowed — runs that scored without help from an error.BB: Times the batter reached first base on four balls.K: Batters this pitcher struck out.HR: Home runs hit.
Sep 26, 2025vs LADL 3-25.03221101
Sep 20, 2025@ HOUW 6-46.0500070
Sep 14, 2025vs LAAW 11-26.13220142
Sep 9, 2025vs STLW 5-34.0733220
Sep 3, 2025@ TBL 9-42.01087010
Aug 29, 2025@ CLEL 5-47.0622062
Aug 23, 2025vs ATHL 2-1 F/106.0411330
Aug 17, 2025@ NYML 7-34.21277341
Aug 12, 2025@ BALW 1-07.0300070
Aug 6, 2025vs CHWW 8-66.0522290
Jul 31, 2025vs TEXW 6-06.0300260
Jul 26, 2025@ LAAW 7-26.0522391
Jul 21, 2025vs MILL 6-06.0544130
Jul 12, 2025@ DETW 15-75.0544361
Jul 6, 2025vs PITW 1-06.1400090

What the columns mean: IP · H · R · BB · K · HR

All 23 gamesOnly the last 15 games
George Kirby, game by game, 2025 regular season
IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs.H: Times the batter reached base by hitting the ball, without help from an error.R: Runs — scored by the batter, or allowed by the pitcher.ER: Earned runs allowed — runs that scored without help from an error.BB: Times the batter reached first base on four balls.K: Batters this pitcher struck out.HR: Home runs hit.
Sep 26, 2025vs LADL 3-25.03221101
Sep 20, 2025@ HOUW 6-46.0500070
Sep 14, 2025vs LAAW 11-26.13220142
Sep 9, 2025vs STLW 5-34.0733220
Sep 3, 2025@ TBL 9-42.01087010
Aug 29, 2025@ CLEL 5-47.0622062
Aug 23, 2025vs ATHL 2-1 F/106.0411330
Aug 17, 2025@ NYML 7-34.21277341
Aug 12, 2025@ BALW 1-07.0300070
Aug 6, 2025vs CHWW 8-66.0522290
Jul 31, 2025vs TEXW 6-06.0300260
Jul 26, 2025@ LAAW 7-26.0522391
Jul 21, 2025vs MILL 6-06.0544130
Jul 12, 2025@ DETW 15-75.0544361
Jul 6, 2025vs PITW 1-06.1400090
Jun 30, 2025vs KCW 6-26.0311050
Jun 25, 2025@ MINL 2-06.0311130
Jun 20, 2025@ CHCW 9-45.0744132
Jun 14, 2025vs CLEW 4-35.0522351
Jun 8, 2025@ LAAW 3-27.02220141
Jun 3, 2025vs BALL 5-15.0822130
May 28, 2025vs WSHL 9-05.0766243
May 22, 2025@ HOUL 9-23.2655140

What the columns mean: IP · H · R · BB · K · HR

Answered about George Kirby in 2025

Source: ESPN public MLB data, 2025 season.