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George Kirby

Seattle Mariners · SP

Throws: R

Bats: R

Age: -

Height: 6'4"

Weight: 215 lbs

4.21

ERA

10-8

W-L

126.0

137

26.1%

4.21

ERA

0.305

xwOBA

26.1%

5.5%

BB%

33.9%

Hard Hit%

28.0%

CSW%

Season-by-Season Statistics

Year	Team	G	GS	W	L	IP	ERA	SO	BB	K%	BB%	xAVG	xwOBA	xSLG	HH%	Barrel%	CSW%	GB%
2025	SEA	23	23	10	8	126.0	4.21	137	29	26.1%	5.5%	0.252	0.305	0.392	33.9%	8.5%	28.0%	44.1%
2024	SEA	33	33	14	11	191.0	3.53	179	23	23.0%	3.0%	0.235	0.287	0.395	29.4%	8.1%	26.4%	41.3%
2023	SEA	31	31	13	10	190.2	3.35	172	19	22.7%	2.5%	0.262	0.305	0.425	32.7%	7.5%	27.3%	44.2%
2022	SEA	25	25	8	5	130.0	3.39	133	22	24.5%	4.1%	0.232	0.284	0.379	31.4%	8.9%	25.9%	45.5%

Pitch Arsenal

4-Seamer

Usage 28.8%

K% 33.3%

Whiff% 30.7%

Put Away% 23.3%

Hard Hit% 42.5%

xwOBA 0.293

Slider

Usage 28.1%

K% 25.4%

Whiff% 30.9%

Put Away% 17.9%

Hard Hit% 44.2%

xwOBA 0.281

Sinker

Usage 26.8%

K% 17.0%

Whiff% 11.5%

Put Away% 22.0%

Hard Hit% 42.6%

xwOBA 0.358

Curveball

Usage 11.4%

K% 34.4%

Whiff% 39.7%

Put Away% 19.8%

Hard Hit% 48.7%

xwOBA 0.247

Platoon Splits

Split	PA	xAVG	xwOBA	xSLG	ISO	K%	BB%	HR
vs LHB	284	0.252	0.311	0.395	0.147	25.7%	7.0%	9
vs RHB	240	0.263	0.315	0.423	0.131	26.7%	3.8%	6

Home / Road Splits

Split	PA	xAVG	xwOBA	xSLG	K%	BB%	HR
Home	53	0.227	0.275	0.351	73.0%	17.0%	0
Road	47	0.279	0.327	0.437	64.0%	12.0%	1

Recent Game Logs

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