Detail: George Kirby

Team	Mariners	Position	SP	Depth	3rd at SP
Height	6-4	Weight	215	Birthday	1998-02-04	Age	27.6
Bats	R	Throws	R	Roto Transactions
Roto Status	Free Agent	Pro Status	Active

Statistics

Year	Team	G	IP	BF	H	HR	K	BB	IBB	HB	ER	Win	Sav	WHIP	ERA	BABIP	FIP	kwERA
2025	Mariners	19	104.67	440	103	12	104	26	0	6	52	8	0	1.232	4.47	.312	3.52	3.44
2024	Mariners	33	191.00	778	181	22	179	23	0	7	75	14	0	1.068	3.53	.291	3.19	3.10
2023	Mariners	31	190.67	757	179	22	172	19	1	6	71	13	0	1.038	3.35	.292	3.17	3.05
2022	Mariners	25	130.00	542	135	13	133	22	0	5	49	8	0	1.208	3.39	.331	2.98	3.05
Total MLB		108	616.33	2517	598	69	588	90	1	24	247	43	0	1.116	3.61	.303	3.20	3.13
2025	Spring	1	1.00	0	0	0	1	2	0	0	1	0	0	2.000	9.00	n.a.	7.10	n.a.

2025 Projections
Source		G	IP	BF	H	HR	K	BB	IBB	HB	ER	Win	Sav	WHIP	ERA	BABIP	FIP	kwERA
Consensus		31	161.99	661	152	19	152	24	0	6	62	11	0	1.089	3.43	.289	3.33	3.18
FangraphsDepth		31	179.00	729	168	21	169	27	0	7	68	12	0	1.089	3.42	.291	3.31	3.18
RV Current		29	164.43	679	154	20	154	31	0	7	65	12	0	1.128	3.57	.288	3.47	3.34
RotoValue		32	132.42	541	125	16	123	20	0	5	51	9	0	1.092	3.46	.288	3.34	3.22
Steamer		31	180.23	735	169	23	171	27	0	7	70	11	0	1.090	3.52	.288	3.45	3.17
ZiPS		30	173.30	705	163	19	162	25	0	6	64	13	0	1.085	3.32	.292	3.19	3.17
modZiPS		30	173.30	705	163	19	162	25	0	6	64	13	0	1.085	3.32	.292	3.19	3.17

2025 Game Log

September		Pos	IP	BF	H	HR	K	BB	IBB	HB	ER	Win	Sav	WHIP	ERA	BABIP	FIP	kwERA
2025-09-03	@ TB	SP	2.00	17	10	0	1	0	0	1	7	0	0	5.000	31.50	.667	3.60	5.40
Total			2.00	17	10	0	1	0	0	1	7	0	0	5.000	31.50	.667	3.60	5.40
August		Pos	IP	BF	H	HR	K	BB	IBB	HB	ER	Win	Sav	WHIP	ERA	BABIP	FIP	kwERA
2025-08-29	@ Cle	SP	7.00	28	6	2	6	0	0	1	2	0	0	0.857	2.57	.211	5.53	3.26
2025-08-23	v Ath	SP	6.00	25	4	0	3	3	0	0	1	0	0	1.167	1.50	.211	3.60	5.40
2025-08-17	@ NYM	SP	4.67	28	12	1	4	3	0	0	7	0	0	3.214	13.50	.550	6.10	4.97
2025-08-12	@ Bal	SP	7.00	23	3	0	7	0	0	0	0	1	0	0.429	0.00	.188	1.10	1.75
2025-08-06	v CHW	SP	6.00	25	5	0	9	2	0	0	2	1	0	1.167	3.00	.357	1.10	2.04
Total			30.67	129	30	3	29	8	0	1	12	2	0	1.239	3.52	.307	3.36	3.54
July		Pos	IP	BF	H	HR	K	BB	IBB	HB	ER	Win	Sav	WHIP	ERA	BABIP	FIP	kwERA
2025-07-31	v Tex	SP	6.00	22	3	0	6	2	0	0	0	1	0	0.833	0.00	.214	2.10	3.22
2025-07-26	@ LAA	SP	6.00	26	5	1	9	3	0	1	2	1	0	1.333	3.00	.333	4.27	3.09
2025-07-21	v Mil	SP	6.00	24	5	0	3	1	0	0	4	0	0	1.000	6.00	.250	2.60	4.40
2025-07-12	@ Det	SP	5.00	23	5	1	6	3	0	1	4	1	0	1.600	7.20	.333	5.70	4.36
2025-07-06	v Pit	SP	6.33	24	4	0	9	0	0	0	0	1	0	0.632	0.00	.267	0.26	0.90
Total			29.33	119	22	2	33	9	0	2	10	4	0	1.057	3.07	.274	2.86	3.18
June		Pos	IP	BF	H	HR	K	BB	IBB	HB	ER	Win	Sav	WHIP	ERA	BABIP	FIP	kwERA
2025-06-30	v KC	SP	6.00	21	3	0	5	0	0	0	1	1	0	0.500	1.50	.188	1.43	2.54
2025-06-25	@ Min	SP	6.00	22	3	0	3	1	0	0	1	0	0	0.667	1.50	.167	2.60	4.31
2025-06-20	@ ChC	SP	5.00	22	7	2	3	1	0	0	4	0	0	1.600	7.20	.312	7.70	4.31
2025-06-14	v Cle	SP	5.00	22	5	1	5	3	0	0	2	0	0	1.600	3.60	.308	5.50	4.31
2025-06-08	@ LAA	SP	7.00	23	2	1	14	0	0	0	2	1	0	0.286	2.57	.125	0.96	-1.90
2025-06-03	v Bal	SP	5.00	23	8	0	3	1	0	0	2	0	0	1.800	3.60	.421	2.50	4.36
Total			34.00	133	28	4	33	6	0	0	12	2	0	1.000	3.18	.267	3.22	2.96
May		Pos	IP	BF	H	HR	K	BB	IBB	HB	ER	Win	Sav	WHIP	ERA	BABIP	FIP	kwERA
2025-05-28	v Wsh	SP	5.00	23	7	3	4	2	0	0	6	0	0	1.800	10.80	.286	10.50	4.36
2025-05-22	@ Hou	SP	3.67	19	6	0	4	1	0	2	5	0	0	1.909	12.27	.500	3.37	4.77
Total			8.67	42	13	3	8	3	0	2	11	0	0	1.846	11.42	.385	7.48	4.54
Preseason		Pos	IP	BF	H	HR	K	BB	IBB	HB	ER	Win	Sav	WHIP	ERA	BABIP	FIP	kwERA
2025-02-26	v Ath	SP	1.00	0	0	0	1	2	0	0	1	0	0	2.000	9.00	n.a.	7.10	n.a.
Total			1.00	0	0	0	1	2	0	0	1	0	0	2.000	9.00	n.a.	7.10	n.a.

Recent News

Date	Time	Headline
Mon Jul 7	06:41	George Kirby Strikes Out Nine on Sunday
Sun Jun 8	21:25	George Kirby Strikes Out 14 in Win
Sat Jun 7	13:34	George Kirby Cleared to Start on Sunday
Wed Jun 4	01:09	George Kirby Expected to be OK After Getting Hit in Face Tuesday
Tue Jun 3	23:28	George Kirby Takes Liner Off the Face on Tuesday
Fri May 23	05:31	George Kirby Struggles in 2025 Debut
Wed May 21	12:37	George Kirby to Make Season Debut on Thursday
Sat May 17	10:53	George Kirby Gets Hit Around in Third Rehab Start
Mon May 12	23:30	George Kirby To Make Another Rehab Start On Friday
Fri May 9	19:31	George Kirby To Make Second Rehab Start On Saturday
Mon May 5	19:38	George Kirby Has Promising First Rehab Start
Fri May 2	18:37	Mariners "Hopeful" They'll Have George Kirby In Late May
Tue Apr 29	19:41	George Kirby "Feeling Great", Could Throw Again On Sunday
Mon Apr 28	08:59	George Kirby Set To Throw Live Batting Practice On Monday
Tue Apr 22	18:36	George Kirby To Face Hitters This Week
Mon Apr 7	18:24	George Kirby Could Return In May
Fri Mar 21	13:39	George Kirby Playing Catch
Wed Mar 19	08:16	George Kirby Progressing From Shoulder Inflammation
Fri Mar 14	08:00	George Kirby Receives Injection
Fri Mar 7	16:04	George Kirby To Start Season On Injured List With Shoulder Injury

Upcoming Starts

09-09 vs. Cardinals

09-14 vs. Angels

09-20 @ Astros

2025 Games by Position

SP	19
19	consecutive starts

Announced starts bold, projected starts regular font

Copyright © 2025 by Almaviva Software LLC. All rights reserved.
Fangraphs Depth Charts projections are a combination of ZiPS and Steamer projections with playing time allocated by Fangraphs staff.
MLB Depth charts are computed by RotoValue.
Steamer projections courtesy of Jared Cross, Dash Davidson, and Peter Rosenbloom.
ZiPS projections courtesty of Dan Szymborski of Baseball Think Factory and ESPN.
Player news and notes copyright © 2025 RotoBaller.
Fielding Independent Pitching or FIP, was developed by Tom Tango based on DIPS work by Voros McCracken.
Strike Zone ERA, or kwERA, was developed by Tom Tango, with inspiration from GuyM.
ZiPS projections courtesty of Dan Szymborski of Baseball Think Factory and ESPN. modZiPS applies RotoValue's save estimation model to ZiPS projections.

Weighted On Base Average, or wOBA, was developed by Tom Tango. RotoValue uses Version 2, but ignoring reached base on error before 2015.

Detail: George Kirby

Statistics

2025 Game Log

Recent News

Mon 8-Sep-2025 16:55:06