George Kirby

Seattle Mariners

Age: 28

Bats/Throws: R/R

6'4" / 215

DOB: 2/4/1998

(28 years, 4 months, 3 days)

Player Dashboard:

Stats

PostseasonPreseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingMLB Regular Season

Season	Team	Level	Age	W W - Wins	L L - Losses	SV SV - Saves	G G - Games Pitched	GS GS - Games Started	IP IP - Innings Pitched	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	GB% GB% - Ground Ball Percentage (GB/BIP)	HR/FB HR/FB - Home Run to Fly Ball Ratio	vFA vFA - Fourseam Fastball velocity (Pitch Info)	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA	FIP FIP - Fielder Independent Pitching on an ERA scale	xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced	WAR WAR - Wins Above Replacement
2019	SEA	A-	21	0	0	0	9	8	23.0	9.78	0.00	0.39	.365	79.6%	46.9%	6.3%		2.35		2.04	2.10
2021	SEA	A+	23	4	2	0	9	9	41.2	11.23	1.73	0.22	.314	66.5%	58.6%	4.0%		2.38		2.44	3.07
2021	SEA	AA	23	1	1	0	6	6	26.0	9.69	2.42	0.00	.338	75.8%	48.6%	0.0%		2.77		2.25	3.61
2021	SEA	MiLB	23	5	3	0	15	15	67.2	10.64	2.00	0.13	.324	70.7%	54.3%	2.2%		2.53		2.37	3.28
2022	SEA	AA	24	2	0	0	5	5	24.2	11.68	1.82	1.09	.269	90.4%	47.3%	13.6%		1.82		3.47	3.44
2022	SEA	AAA	24	0	1	0	1	1	2.0	9.00	4.50	0.00	.556	42.9%	33.3%	0.0%		18.00		4.86	6.88
2022	SEA	MiLB	24	2	1	0	6	6	26.2	11.48	2.03	1.01	.311	77.5%	45.3%	12.5%		3.04		3.58	3.70
2022	SEA	ST	24	0	1	0	3	1	7.2	14.09	2.35	2.35	.389	61.0%	40.0%	25.0%		7.04		4.70	3.51
2022	SEA	MLB	24	8	5	0	25	25	130.0	9.21	1.52	0.90	.331	75.1%	45.5%	9.0%	95.4	3.39	3.31	2.99	3.33	2.9
2022	SEA	MLB	24	0	0	1	2	1	8.0	6.75	1.13	0.00	.261	100.0%	21.7%	0.0%		0.00		2.74	5.51
2023	SEA	ST	25	2	1	0	4	4	11.2	11.57	2.31	0.77	.267	66.0%	55.6%	20.0%		2.31		3.13	2.77
2023	SEA	MLB	25	13	10	0	31	31	190.2	8.12	0.90	1.04	.292	75.1%	44.2%	10.7%	96.2	3.35	3.88	3.34	3.63	4.2
2024	SEA	ST	26	1	0	0	4	4	14.2	9.20	1.84	0.61	.357	51.1%	45.2%	8.3%		5.52		3.19	3.70
2024	SEA	MLB	26	14	11	0	33	33	191.0	8.43	1.08	1.04	.291	71.6%	41.3%	9.6%	96.2	3.53	3.40	3.26	3.58	4.1
2025	SEA	AAA	27	0	0	0	3	3	10.0	11.70	1.80	2.70	.444	70.3%	56.7%	33.3%		7.20	4.20	5.87	3.62
2025	SEA	ST	27	0	0	0	1	1	1.0	9.00	18.00	0.00	.000	50.0%	50.0%	0.0%		9.00		7.73	7.73
2025	SEA	MLB	27	10	8	0	23	23	126.0	9.79	2.07	1.07	.315	71.3%	44.1%	12.8%	96.1	4.21	3.88	3.37	3.25	2.4
2025	SEA	MLB	27	0	1	0	4	4	18.0	10.50	2.00	2.00	.347	68.6%	41.5%	26.7%		6.00		4.52	2.92
2026	SEA	ST	28	0	0	0	4	4	14.1	6.91	3.14	0.63	.348	78.7%	45.7%	10.0%		3.77		4.28	4.68
2026	FGDC	PROJ	28	12	9	0	31	31	173.0	8.80	1.71	1.08	.290	72.4%				3.55		3.42		3.2
2026	Steamer	PROJ	28	12	10	0	31	31	178.0	8.77	1.71	1.11	.290	73.5%	42.3%			3.51		3.49	3.55	3.2
2026	ZiPS	PROJ	28	11	7	0	27	27	147.7	8.84	1.71	1.04	.290	71.3%				3.60		3.36		3.0
2026	ZiPS DC	PROJ	28	13	8	0	31	31	168.0	8.84	1.71	1.04	.290	71.3%				3.60		3.36		3.4
2026	ATC	PROJ	28	12	9	0	28	28	166.0	8.81	1.70	1.10	.292	71.5%				3.62		3.45		3.1
2026	THE BAT	PROJ	28	11	9	0	28	28	166.0	8.71	1.80	1.11	.282	71.6%				3.66		3.51		3.8
2026	THE BAT X	PROJ	28	11	9	0	28	28	166.0	8.76	1.91	1.08	.286	71.4%				3.71		3.52		3.8
2026	OOPSY	PROJ	28	12	8	0	31	31	172.0	8.93	1.77	1.06	.277	75.4%				3.21		3.39		3.4
2026	SEA	MLB	28	5	5	0	13	13	78.0	7.38	2.08	0.81	.323	69.4%	53.6%	9.9%	96.8	4.04	3.49	3.40	3.54	1.5
2026	FGDC	ROS	28	7	6	0	18	18	106.0	8.41	1.85	1.02	.295	71.6%				3.64		3.43		1.9
2026	Steamer	ROS	28	7	6	0	18	18	109.0	8.40	1.89	1.06	.293	72.8%				3.59		3.52		1.9
2026	ZiPS	ROS	28	7	5		17	17	95.0	8.42	1.81	0.97	.296	70.3%				3.70		3.35		1.9
2026	ZiPS DC	ROS	28	7	5	0	18	18	104.0	8.42	1.81	0.97	.296	70.3%				3.70		3.35		2.1
2026	ATC DC	ROS	28	8	6	0	18	18	110.0	8.49	1.83	1.07	.292	71.0%				3.70		3.50		2.0
2026	THE BAT	ROS	28	7	6	0	19	19	107.0	8.05	2.13	1.14	.294	70.0%				4.09		3.79		2.0
2026	THE BAT X	ROS	28	7	6	0	19	19	107.0	8.27	2.08	1.14	.300	70.0%				4.11		3.70		2.1
2026	OOPSY	ROS	28	7	6	0	18	18	103.0	8.58	1.87	1.02	.279	74.6%				3.28		3.42		1.9
Total	- - -	MLB		50	39	0	125	125	715.2	8.61	1.40	0.99	.306	72.8%	44.7%	10.3%	96.0	3.63	3.60	3.27	3.48	15.2
Postseason	- - -	MLB		0	1	1	6	5	26.0	9.35	1.73	1.38	.319	78.2%	35.5%	13.3%		4.15		3.97	3.72

Season	Team	Level	Age	W W - Wins	L L - Losses	SV SV - Saves	G G - Games Pitched	GS GS - Games Started	IP IP - Innings Pitched	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	GB% GB% - Ground Ball Percentage (GB/BIP)	HR/FB HR/FB - Home Run to Fly Ball Ratio	vFA vFA - Fourseam Fastball velocity (Pitch Info)	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA	FIP FIP - Fielder Independent Pitching on an ERA scale	xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced	WAR WAR - Wins Above Replacement
2019	SEA	A-	21	0	0	0	9	8	23.0	9.78	0.00	0.39	.365	79.6%	46.9%	6.3%		2.35		2.04	2.10
2021	SEA	A+	23	4	2	0	9	9	41.2	11.23	1.73	0.22	.314	66.5%	58.6%	4.0%		2.38		2.44	3.07
2021	SEA	AA	23	1	1	0	6	6	26.0	9.69	2.42	0.00	.338	75.8%	48.6%	0.0%		2.77		2.25	3.61
2021	SEA	MiLB	23	5	3	0	15	15	67.2	10.64	2.00	0.13	.324	70.7%	54.3%	2.2%		2.53		2.37	3.28
2022	SEA	AA	24	2	0	0	5	5	24.2	11.68	1.82	1.09	.269	90.4%	47.3%	13.6%		1.82		3.47	3.44
2022	SEA	AAA	24	0	1	0	1	1	2.0	9.00	4.50	0.00	.556	42.9%	33.3%	0.0%		18.00		4.86	6.88
2022	SEA	MiLB	24	2	1	0	6	6	26.2	11.48	2.03	1.01	.311	77.5%	45.3%	12.5%		3.04		3.58	3.70
2022	SEA	ST	24	0	1	0	3	1	7.2	14.09	2.35	2.35	.389	61.0%	40.0%	25.0%		7.04		4.70	3.51
2022	SEA	MLB	24	8	5	0	25	25	130.0	9.21	1.52	0.90	.331	75.1%	45.5%	9.0%	95.4	3.39	3.31	2.99	3.33	2.9
2022	SEA	MLB	24	0	0	1	2	1	8.0	6.75	1.13	0.00	.261	100.0%	21.7%	0.0%		0.00		2.74	5.51
2023	SEA	ST	25	2	1	0	4	4	11.2	11.57	2.31	0.77	.267	66.0%	55.6%	20.0%		2.31		3.13	2.77
2023	SEA	MLB	25	13	10	0	31	31	190.2	8.12	0.90	1.04	.292	75.1%	44.2%	10.7%	96.2	3.35	3.88	3.34	3.63	4.2
2024	SEA	ST	26	1	0	0	4	4	14.2	9.20	1.84	0.61	.357	51.1%	45.2%	8.3%		5.52		3.19	3.70
2024	SEA	MLB	26	14	11	0	33	33	191.0	8.43	1.08	1.04	.291	71.6%	41.3%	9.6%	96.2	3.53	3.40	3.26	3.58	4.1
2025	SEA	AAA	27	0	0	0	3	3	10.0	11.70	1.80	2.70	.444	70.3%	56.7%	33.3%		7.20	4.20	5.87	3.62
2025	SEA	ST	27	0	0	0	1	1	1.0	9.00	18.00	0.00	.000	50.0%	50.0%	0.0%		9.00		7.73	7.73
2025	SEA	MLB	27	10	8	0	23	23	126.0	9.79	2.07	1.07	.315	71.3%	44.1%	12.8%	96.1	4.21	3.88	3.37	3.25	2.4
2025	SEA	MLB	27	0	1	0	4	4	18.0	10.50	2.00	2.00	.347	68.6%	41.5%	26.7%		6.00		4.52	2.92
2026	SEA	ST	28	0	0	0	4	4	14.1	6.91	3.14	0.63	.348	78.7%	45.7%	10.0%		3.77		4.28	4.68
2026	FGDC	PROJ	28	12	9	0	31	31	173.0	8.80	1.71	1.08	.290	72.4%				3.55		3.42		3.2
2026	Steamer	PROJ	28	12	10	0	31	31	178.0	8.77	1.71	1.11	.290	73.5%	42.3%			3.51		3.49	3.55	3.2
2026	ZiPS	PROJ	28	11	7	0	27	27	147.7	8.84	1.71	1.04	.290	71.3%				3.60		3.36		3.0
2026	ZiPS DC	PROJ	28	13	8	0	31	31	168.0	8.84	1.71	1.04	.290	71.3%				3.60		3.36		3.4
2026	ATC	PROJ	28	12	9	0	28	28	166.0	8.81	1.70	1.10	.292	71.5%				3.62		3.45		3.1
2026	THE BAT	PROJ	28	11	9	0	28	28	166.0	8.71	1.80	1.11	.282	71.6%				3.66		3.51		3.8
2026	THE BAT X	PROJ	28	11	9	0	28	28	166.0	8.76	1.91	1.08	.286	71.4%				3.71		3.52		3.8
2026	OOPSY	PROJ	28	12	8	0	31	31	172.0	8.93	1.77	1.06	.277	75.4%				3.21		3.39		3.4
2026	SEA	MLB	28	5	5	0	13	13	78.0	7.38	2.08	0.81	.323	69.4%	53.6%	9.9%	96.8	4.04	3.49	3.40	3.54	1.5
2026	FGDC	ROS	28	7	6	0	18	18	106.0	8.41	1.85	1.02	.295	71.6%				3.64		3.43		1.9
2026	Steamer	ROS	28	7	6	0	18	18	109.0	8.40	1.89	1.06	.293	72.8%				3.59		3.52		1.9
2026	ZiPS	ROS	28	7	5		17	17	95.0	8.42	1.81	0.97	.296	70.3%				3.70		3.35		1.9
2026	ZiPS DC	ROS	28	7	5	0	18	18	104.0	8.42	1.81	0.97	.296	70.3%				3.70		3.35		2.1
2026	ATC DC	ROS	28	8	6	0	18	18	110.0	8.49	1.83	1.07	.292	71.0%				3.70		3.50		2.0
2026	THE BAT	ROS	28	7	6	0	19	19	107.0	8.05	2.13	1.14	.294	70.0%				4.09		3.79		2.0
2026	THE BAT X	ROS	28	7	6	0	19	19	107.0	8.27	2.08	1.14	.300	70.0%				4.11		3.70		2.1
2026	OOPSY	ROS	28	7	6	0	18	18	103.0	8.58	1.87	1.02	.279	74.6%				3.28		3.42		1.9
Total	- - -	MLB		50	39	0	125	125	715.2	8.61	1.40	0.99	.306	72.8%	44.7%	10.3%	96.0	3.63	3.60	3.27	3.48	15.2
Postseason	- - -	MLB		0	1	1	6	5	26.0	9.35	1.73	1.38	.319	78.2%	35.5%	13.3%		4.15		3.97	3.72

PostseasonPreseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingMLB Regular Season

Season	Team	Level	W W - Wins	L L - Losses	ERA ERA - Earned Run Average ((ER*9)/IP)	G G - Games Pitched	GS GS - Games Started	QS QS - Quality Starts; pitched at least 6 innings and gave up 3 or fewer earned runs	CG CG - Complete Games	ShO ShO - Shoutouts	SV SV - Saves	HLD HLD - Holds	BS BS - Blown Saves	IP IP - Innings Pitched	TBF TBF - Total Batters Faced	H H - Hits Allowed	R R - Runs Allowed	ER ER - Earned Runs	HR HR - Home Runs	BB BB - Walks	IBB IBB - Intentional	HBP HBP - Hit Batters	WP WP - Wild Pitches	BK BK - Balks	SO SO - Strikeouts
2019	SEA	A-	0	0	2.35	9	8		0	0	0	0	0	23.0	89	24	6	6	1	0	0	0	0	0	25
2021	SEA	A+	4	2	2.38	9	9		0	0	0	0	0	41.2	164	33	15	11	1	8	0	1	1	1	52
2021	SEA	AA	1	1	2.77	6	6		0	0	0	0	0	26.0	110	25	8	8	0	7	0	1	2	0	28
2021	SEA	MiLB	5	3	2.53	15	15		0	0	0	0	0	67.2	274	58	23	19	1	15	0	2	3	1	80
2022	SEA	AA	2	0	1.82	5	5		0	0	0	0	0	24.2	93	17	6	5	3	5	0	1	0	0	32
2022	SEA	AAA	0	1	18.00	1	1		0	0	0	0	0	2.0	13	5	4	4	0	1	0	1	0	0	2
2022	SEA	MiLB	2	1	3.04	6	6		0	0	0	0	0	26.2	106	22	10	9	3	6	0	2	0	0	34
2022	SEA	ST	0	1	7.04	3	1		0	0	0	1	0	7.2	34	9	6	6	2	2	0	0	0	1	12
2022	SEA	MLB	8	5	3.39	25	25	11	0	0	0	0	0	130.0	542	135	54	49	13	22	0	5	4	0	133
2022	SEA	MLB	0	0	0.00	2	1	1	0	0	1	0	0	8.0	32	6	0	0	0	1	0	2	0	0	6
2023	SEA	ST	2	1	2.31	4	4		0	0	0	0	0	11.2	49	9	5	3	1	3	0	0	1	0	15
2023	SEA	MLB	13	10	3.35	31	31	20	1	0	0	0	0	190.2	757	179	74	71	22	19	1	6	1	0	172
2024	SEA	ST	1	0	5.52	4	4		0	0	0	0	0	14.2	61	16	10	9	1	3	0	0	0	0	15
2024	SEA	MLB	14	11	3.53	33	33	20	0	0	0	0	0	191.0	778	181	82	75	22	23	0	7	5	1	179
2025	SEA	AAA	0	0	7.20	3	3		0	0	0	0	0	10.0	45	15	8	8	3	2	0	0	0	0	13
2025	SEA	ST	0	0	9.00	1	1		0	0	0	0	0	1.0	5	0	1	1	0	2	0	0	0	0	1
2025	SEA	MLB	10	8	4.21	23	23	12	0	0	0	0	0	126.0	524	121	60	59	15	29	0	7	3	0	137
2025	SEA	MLB	0	1	6.00	4	4	0	0	0	0	0	0	18.0	79	21	12	12	4	4	0	1	1	0	21
2026	SEA	ST	0	0	3.77	4	4		0	0	0	0	0	14.1	64	17	6	6	1	5	0	1	0	0	11
2026	FGDC	PROJ	12	9	3.55	31	31	18			0	0		173.0	712	160	74	68	21	33		7			169
2026	Steamer	PROJ	12	10	3.51	31	31	17	0	0	0	0		178.0	733	166	76	70	22	34	0	7			174
2026	ZiPS	PROJ	11	7	3.60	27	27				0	0		147.7	606	136	64	59	17	28	0	6	3	0	145
2026	ZiPS DC	PROJ	13	8	3.60	31	31	17			0	0		168.0	691	155	73	67	19	32		7			165
2026	ATC	PROJ	12	9	3.62	28	28	14			0	0		166.0	673	152	73	67	20	31	1	7			162
2026	THE BAT	PROJ	11	9	3.66	28	28	13			0	0		166.0	675	149	72	67	20	33	0	6			161
2026	THE BAT X	PROJ	11	9	3.71	28	28	13			0	0		166.0	680	151	73	68	20	35	0	7			162
2026	OOPSY	PROJ	12	8	3.21	31	31	19			0	0		172.0	706	152	67	61	20	34		7			171
2026	SEA	MLB	5	5	4.04	13	13	6	1	0	0	0	0	78.0	323	82	38	35	7	18	0	2	0	0	64
2026	FGDC	ROS	7	6	3.64	18	18	10			0	0		106.0	438	101	47	43	12	22		4			99
2026	Steamer	ROS	7	6	3.59	18	18	10	0	0	0	0		109.0	451	103	47	43	13	23		4			102
2026	ZiPS	ROS	7	5	3.70	17	17							95.0	391	90	42	39	10	19		3			89
2026	ZiPS DC	ROS	7	5	3.70	18	18	10			0	0		104.0	426	98	46	43	11	21		4			97
2026	ATC DC	ROS	8	6	3.70	18	18	10			0	0		110.0	448	102	49	45	13	22		5			104
2026	THE BAT	ROS	7	6	4.09	19	19				0	0		107.0	443	103	52	48	14	25	0	4			95
2026	THE BAT X	ROS	7	6	4.11	19	19	8			0	0		107.0	445	105	52	49	13	25	0	4			98
2026	OOPSY	ROS	7	6	3.28	18	18	11			0	0		103.0	423	92	41	37	12	21		4			98
Total	- - -	MLB	50	39	3.63	125	125	69	2	0	0	0	0	715.2	2924	698	308	289	79	111	1	27	13	1	685
Postseason	- - -	MLB	0	1	4.15	6	5	1	0	0	1	0	0	26.0	111	27	12	12	4	5	0	3	1	0	27

Season	Team	Level	W W - Wins	L L - Losses	ERA ERA - Earned Run Average ((ER*9)/IP)	G G - Games Pitched	GS GS - Games Started	QS QS - Quality Starts; pitched at least 6 innings and gave up 3 or fewer earned runs	CG CG - Complete Games	ShO ShO - Shoutouts	SV SV - Saves	HLD HLD - Holds	BS BS - Blown Saves	IP IP - Innings Pitched	TBF TBF - Total Batters Faced	H H - Hits Allowed	R R - Runs Allowed	ER ER - Earned Runs	HR HR - Home Runs	BB BB - Walks	IBB IBB - Intentional	HBP HBP - Hit Batters	WP WP - Wild Pitches	BK BK - Balks	SO SO - Strikeouts
2019	SEA	A-	0	0	2.35	9	8		0	0	0	0	0	23.0	89	24	6	6	1	0	0	0	0	0	25
2021	SEA	A+	4	2	2.38	9	9		0	0	0	0	0	41.2	164	33	15	11	1	8	0	1	1	1	52
2021	SEA	AA	1	1	2.77	6	6		0	0	0	0	0	26.0	110	25	8	8	0	7	0	1	2	0	28
2021	SEA	MiLB	5	3	2.53	15	15		0	0	0	0	0	67.2	274	58	23	19	1	15	0	2	3	1	80
2022	SEA	AA	2	0	1.82	5	5		0	0	0	0	0	24.2	93	17	6	5	3	5	0	1	0	0	32
2022	SEA	AAA	0	1	18.00	1	1		0	0	0	0	0	2.0	13	5	4	4	0	1	0	1	0	0	2
2022	SEA	MiLB	2	1	3.04	6	6		0	0	0	0	0	26.2	106	22	10	9	3	6	0	2	0	0	34
2022	SEA	ST	0	1	7.04	3	1		0	0	0	1	0	7.2	34	9	6	6	2	2	0	0	0	1	12
2022	SEA	MLB	8	5	3.39	25	25	11	0	0	0	0	0	130.0	542	135	54	49	13	22	0	5	4	0	133
2022	SEA	MLB	0	0	0.00	2	1	1	0	0	1	0	0	8.0	32	6	0	0	0	1	0	2	0	0	6
2023	SEA	ST	2	1	2.31	4	4		0	0	0	0	0	11.2	49	9	5	3	1	3	0	0	1	0	15
2023	SEA	MLB	13	10	3.35	31	31	20	1	0	0	0	0	190.2	757	179	74	71	22	19	1	6	1	0	172
2024	SEA	ST	1	0	5.52	4	4		0	0	0	0	0	14.2	61	16	10	9	1	3	0	0	0	0	15
2024	SEA	MLB	14	11	3.53	33	33	20	0	0	0	0	0	191.0	778	181	82	75	22	23	0	7	5	1	179
2025	SEA	AAA	0	0	7.20	3	3		0	0	0	0	0	10.0	45	15	8	8	3	2	0	0	0	0	13
2025	SEA	ST	0	0	9.00	1	1		0	0	0	0	0	1.0	5	0	1	1	0	2	0	0	0	0	1
2025	SEA	MLB	10	8	4.21	23	23	12	0	0	0	0	0	126.0	524	121	60	59	15	29	0	7	3	0	137
2025	SEA	MLB	0	1	6.00	4	4	0	0	0	0	0	0	18.0	79	21	12	12	4	4	0	1	1	0	21
2026	SEA	ST	0	0	3.77	4	4		0	0	0	0	0	14.1	64	17	6	6	1	5	0	1	0	0	11
2026	FGDC	PROJ	12	9	3.55	31	31	18			0	0		173.0	712	160	74	68	21	33		7			169
2026	Steamer	PROJ	12	10	3.51	31	31	17	0	0	0	0		178.0	733	166	76	70	22	34	0	7			174
2026	ZiPS	PROJ	11	7	3.60	27	27				0	0		147.7	606	136	64	59	17	28	0	6	3	0	145
2026	ZiPS DC	PROJ	13	8	3.60	31	31	17			0	0		168.0	691	155	73	67	19	32		7			165
2026	ATC	PROJ	12	9	3.62	28	28	14			0	0		166.0	673	152	73	67	20	31	1	7			162
2026	THE BAT	PROJ	11	9	3.66	28	28	13			0	0		166.0	675	149	72	67	20	33	0	6			161
2026	THE BAT X	PROJ	11	9	3.71	28	28	13			0	0		166.0	680	151	73	68	20	35	0	7			162
2026	OOPSY	PROJ	12	8	3.21	31	31	19			0	0		172.0	706	152	67	61	20	34		7			171
2026	SEA	MLB	5	5	4.04	13	13	6	1	0	0	0	0	78.0	323	82	38	35	7	18	0	2	0	0	64
2026	FGDC	ROS	7	6	3.64	18	18	10			0	0		106.0	438	101	47	43	12	22		4			99
2026	Steamer	ROS	7	6	3.59	18	18	10	0	0	0	0		109.0	451	103	47	43	13	23		4			102
2026	ZiPS	ROS	7	5	3.70	17	17							95.0	391	90	42	39	10	19		3			89
2026	ZiPS DC	ROS	7	5	3.70	18	18	10			0	0		104.0	426	98	46	43	11	21		4			97
2026	ATC DC	ROS	8	6	3.70	18	18	10			0	0		110.0	448	102	49	45	13	22		5			104
2026	THE BAT	ROS	7	6	4.09	19	19				0	0		107.0	443	103	52	48	14	25	0	4			95
2026	THE BAT X	ROS	7	6	4.11	19	19	8			0	0		107.0	445	105	52	49	13	25	0	4			98
2026	OOPSY	ROS	7	6	3.28	18	18	11			0	0		103.0	423	92	41	37	12	21		4			98
Total	- - -	MLB	50	39	3.63	125	125	69	2	0	0	0	0	715.2	2924	698	308	289	79	111	1	27	13	1	685
Postseason	- - -	MLB	0	1	4.15	6	5	1	0	0	1	0	0	26.0	111	27	12	12	4	5	0	3	1	0	27

PostseasonPreseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingMLB Regular SeasonAverages

Season	Team	Level	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	K/BB K/BB - Strikeout to Walk Ratio (SO/BB)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	K% K% - Strikeout Percentage (SO/TBF)	BB% BB% - Walk Percentage (BB/TBF)	K-BB% K-BB% - The difference between strikeout percentage and walk percentage	AVG AVG - Batting Average Against	WHIP WHIP - Walks + Hits divided by Innings Pitched	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better	FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better	FIP FIP - Fielder Independent Pitching on an ERA scale
2019	SEA	A-	9.78	0.00	25.00	0.39	28.1%	0.0%	28.1%	.270	1.04	.365	79.6%	56	49	2.04
2021	SEA	A+	11.23	1.73	6.50	0.22	31.7%	4.9%	26.8%	.213	0.98	.314	66.5%	48	49	2.44
2021	SEA	AA	9.69	2.42	4.00	0.00	25.5%	6.4%	19.1%	.245	1.23	.338	75.8%	69	54	2.25
2021	SEA	MiLB	10.64	2.00	5.33	0.13	29.2%	5.5%	23.7%	.226	1.08	.324	70.7%	56	51	2.37
2022	SEA	AA	11.68	1.82	6.40	1.09	34.4%	5.4%	29.0%	.195	0.89	.269	90.4%	40	73	3.47
2022	SEA	AAA	9.00	4.50	2.00	0.00	15.4%	7.7%	7.7%	.455	3.00	.556	42.9%	346	89	4.86
2022	SEA	MiLB	11.48	2.03	5.67	1.01	32.1%	5.7%	26.4%	.224	1.05	.311	77.5%	63	74	3.58
2022	SEA	ST	14.09	2.35	6.00	2.35	35.3%	5.9%	29.4%	.281	1.43	.389	61.0%	137	94	4.70
2022	SEA	MLB	9.21	1.52	6.05	0.90	24.5%	4.1%	20.5%	.262	1.21	.331	75.1%	93	78	2.99
2022	SEA	MLB	6.75	1.13	6.00	0.00	18.8%	3.1%	15.6%	.207	0.88	.261	100.0%	0	71	2.74
2022			8.53	3.10	2.75	1.09	22.4%	8.2%	14.3%	.240	1.27	.289	72.6%			4.06
2023	SEA	ST	11.57	2.31	5.00	0.77	30.6%	6.1%	24.5%	.196	1.03	.267	66.0%	48	66	3.13
2023	SEA	MLB	8.12	0.90	9.05	1.04	22.7%	2.5%	20.2%	.245	1.04	.292	75.1%	84	81	3.34
2023			8.74	3.30	2.65	1.23	22.7%	8.6%	14.1%	.246	1.31	.295	71.9%			4.28
2024	SEA	ST	9.20	1.84	5.00	0.61	24.6%	4.9%	19.7%	.276	1.30	.357	51.1%	120	70	3.19
2024	SEA	MLB	8.43	1.08	7.78	1.04	23.0%	3.0%	20.1%	.242	1.07	.291	71.6%	94	83	3.26
2024			8.60	3.12	2.76	1.14	22.6%	8.2%	14.4%	.241	1.27	.289	72.1%			4.11
2025	SEA	AAA	11.70	1.80	6.50	2.70	28.9%	4.4%	24.4%	.349	1.70	.444	70.3%	137	107	5.87
2025	SEA	ST	9.00	18.00	0.50	0.00	20.0%	40.0%	-20.0%	.000	2.00	.000	50.0%	185	160	7.73
2025	SEA	MLB	9.79	2.07	4.72	1.07	26.1%	5.5%	20.6%	.248	1.19	.315	71.3%	110	84	3.37
2025	SEA	MLB	10.50	2.00	5.25	2.00	26.6%	5.1%	21.5%	.284	1.39	.347	68.6%	157	113	4.52
2025			8.49	3.21	2.64	1.18	22.2%	8.4%	13.8%	.242	1.29	.289	72.3%			4.22
2026	SEA	ST	6.91	3.14	2.20	0.63	17.2%	7.8%	9.4%	.293	1.53	.348	78.7%	77	87	4.28
2026	FGDC	PROJ	8.80	1.71	5.15	1.08	23.8%	4.6%	19.2%	.239	1.12	.290	72.4%			3.42
2026	Steamer	PROJ	8.77	1.71	5.12	1.11	23.7%	4.6%	19.1%	.240	1.12	.290	73.5%			3.49
2026	ZiPS	PROJ	8.84	1.71	5.18	1.04	23.9%	4.6%	19.3%	.238	1.11	.290	71.3%			3.36
2026	ZiPS DC	PROJ	8.84	1.71	5.18	1.04	23.9%	4.6%	19.3%	.238	1.11	.290	71.3%			3.36
2026	ATC	PROJ	8.81	1.70	5.17	1.10	24.1%	4.7%	19.5%	.240	1.11	.292	71.5%			3.45
2026	THE BAT	PROJ	8.71	1.80	4.84	1.11	23.8%	4.9%	18.9%	.234	1.10	.282	71.6%			3.51
2026	THE BAT X	PROJ	8.76	1.91	4.58	1.08	23.8%	5.2%	18.6%	.236	1.12	.286	71.4%			3.52
2026	OOPSY	PROJ	8.93	1.77	5.04	1.06	24.2%	4.8%	19.4%	.228	1.08	.277	75.4%			3.39
2026	SEA	MLB	7.38	2.08	3.56	0.81	19.8%	5.6%	14.2%	.271	1.28	.323	69.4%	104	85	3.40
2026			8.46	3.53	2.40	1.10	22.0%	9.2%	12.9%	.238	1.30	.286	72.2%			4.24
2026	FGDC	ROS	8.41	1.85	4.55	1.02	22.6%	5.0%	17.7%	.244	1.15	.295	71.6%			3.43
2026	Steamer	ROS	8.40	1.89	4.44	1.06	22.5%	5.1%	17.5%	.244	1.16	.293	72.8%			3.52
2026	ZiPS	ROS	8.42	1.81	4.66	0.97	22.7%	4.9%	17.8%	.244	1.15	.296	70.3%			3.35
2026	ZiPS DC	ROS	8.42	1.81	4.66	0.97	22.7%	4.9%	17.8%	.244	1.15	.296	70.3%			3.35
2026	ATC DC	ROS	8.49	1.83	4.65	1.07	23.1%	5.0%	18.2%	.242	1.13	.292	71.0%			3.50
2026	THE BAT	ROS	8.05	2.13	3.77	1.14	21.5%	5.7%	15.8%	.249	1.21	.294	70.0%			3.79
2026	THE BAT X	ROS	8.27	2.08	3.98	1.14	22.0%	5.5%	16.5%	.252	1.22	.300	70.0%			3.70
2026	OOPSY	ROS	8.58	1.87	4.58	1.02	23.2%	5.1%	18.1%	.231	1.10	.279	74.6%			3.42
Total	- - -	MLB	8.61	1.40	6.17	0.99	23.4%	3.8%	19.6%	.251	1.13	.306	72.8%	95	82	3.27
Postseason	- - -	MLB	9.35	1.73	5.40	1.38	24.3%	4.5%	19.8%	.262	1.23	.319	78.2%	108	100	3.97

Season	Team	Level	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	K/BB K/BB - Strikeout to Walk Ratio (SO/BB)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	K% K% - Strikeout Percentage (SO/TBF)	BB% BB% - Walk Percentage (BB/TBF)	K-BB% K-BB% - The difference between strikeout percentage and walk percentage	AVG AVG - Batting Average Against	WHIP WHIP - Walks + Hits divided by Innings Pitched	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better	FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better	FIP FIP - Fielder Independent Pitching on an ERA scale
2019	SEA	A-	9.78	0.00	25.00	0.39	28.1%	0.0%	28.1%	.270	1.04	.365	79.6%	56	49	2.04
2021	SEA	A+	11.23	1.73	6.50	0.22	31.7%	4.9%	26.8%	.213	0.98	.314	66.5%	48	49	2.44
2021	SEA	AA	9.69	2.42	4.00	0.00	25.5%	6.4%	19.1%	.245	1.23	.338	75.8%	69	54	2.25
2021	SEA	MiLB	10.64	2.00	5.33	0.13	29.2%	5.5%	23.7%	.226	1.08	.324	70.7%	56	51	2.37
2022	SEA	AA	11.68	1.82	6.40	1.09	34.4%	5.4%	29.0%	.195	0.89	.269	90.4%	40	73	3.47
2022	SEA	AAA	9.00	4.50	2.00	0.00	15.4%	7.7%	7.7%	.455	3.00	.556	42.9%	346	89	4.86
2022	SEA	MiLB	11.48	2.03	5.67	1.01	32.1%	5.7%	26.4%	.224	1.05	.311	77.5%	63	74	3.58
2022	SEA	ST	14.09	2.35	6.00	2.35	35.3%	5.9%	29.4%	.281	1.43	.389	61.0%	137	94	4.70
2022	SEA	MLB	9.21	1.52	6.05	0.90	24.5%	4.1%	20.5%	.262	1.21	.331	75.1%	93	78	2.99
2022	SEA	MLB	6.75	1.13	6.00	0.00	18.8%	3.1%	15.6%	.207	0.88	.261	100.0%	0	71	2.74
2022			8.53	3.10	2.75	1.09	22.4%	8.2%	14.3%	.240	1.27	.289	72.6%			4.06
2023	SEA	ST	11.57	2.31	5.00	0.77	30.6%	6.1%	24.5%	.196	1.03	.267	66.0%	48	66	3.13
2023	SEA	MLB	8.12	0.90	9.05	1.04	22.7%	2.5%	20.2%	.245	1.04	.292	75.1%	84	81	3.34
2023			8.74	3.30	2.65	1.23	22.7%	8.6%	14.1%	.246	1.31	.295	71.9%			4.28
2024	SEA	ST	9.20	1.84	5.00	0.61	24.6%	4.9%	19.7%	.276	1.30	.357	51.1%	120	70	3.19
2024	SEA	MLB	8.43	1.08	7.78	1.04	23.0%	3.0%	20.1%	.242	1.07	.291	71.6%	94	83	3.26
2024			8.60	3.12	2.76	1.14	22.6%	8.2%	14.4%	.241	1.27	.289	72.1%			4.11
2025	SEA	AAA	11.70	1.80	6.50	2.70	28.9%	4.4%	24.4%	.349	1.70	.444	70.3%	137	107	5.87
2025	SEA	ST	9.00	18.00	0.50	0.00	20.0%	40.0%	-20.0%	.000	2.00	.000	50.0%	185	160	7.73
2025	SEA	MLB	9.79	2.07	4.72	1.07	26.1%	5.5%	20.6%	.248	1.19	.315	71.3%	110	84	3.37
2025	SEA	MLB	10.50	2.00	5.25	2.00	26.6%	5.1%	21.5%	.284	1.39	.347	68.6%	157	113	4.52
2025			8.49	3.21	2.64	1.18	22.2%	8.4%	13.8%	.242	1.29	.289	72.3%			4.22
2026	SEA	ST	6.91	3.14	2.20	0.63	17.2%	7.8%	9.4%	.293	1.53	.348	78.7%	77	87	4.28
2026	FGDC	PROJ	8.80	1.71	5.15	1.08	23.8%	4.6%	19.2%	.239	1.12	.290	72.4%			3.42
2026	Steamer	PROJ	8.77	1.71	5.12	1.11	23.7%	4.6%	19.1%	.240	1.12	.290	73.5%			3.49
2026	ZiPS	PROJ	8.84	1.71	5.18	1.04	23.9%	4.6%	19.3%	.238	1.11	.290	71.3%			3.36
2026	ZiPS DC	PROJ	8.84	1.71	5.18	1.04	23.9%	4.6%	19.3%	.238	1.11	.290	71.3%			3.36
2026	ATC	PROJ	8.81	1.70	5.17	1.10	24.1%	4.7%	19.5%	.240	1.11	.292	71.5%			3.45
2026	THE BAT	PROJ	8.71	1.80	4.84	1.11	23.8%	4.9%	18.9%	.234	1.10	.282	71.6%			3.51
2026	THE BAT X	PROJ	8.76	1.91	4.58	1.08	23.8%	5.2%	18.6%	.236	1.12	.286	71.4%			3.52
2026	OOPSY	PROJ	8.93	1.77	5.04	1.06	24.2%	4.8%	19.4%	.228	1.08	.277	75.4%			3.39
2026	SEA	MLB	7.38	2.08	3.56	0.81	19.8%	5.6%	14.2%	.271	1.28	.323	69.4%	104	85	3.40
2026			8.46	3.53	2.40	1.10	22.0%	9.2%	12.9%	.238	1.30	.286	72.2%			4.24
2026	FGDC	ROS	8.41	1.85	4.55	1.02	22.6%	5.0%	17.7%	.244	1.15	.295	71.6%			3.43
2026	Steamer	ROS	8.40	1.89	4.44	1.06	22.5%	5.1%	17.5%	.244	1.16	.293	72.8%			3.52
2026	ZiPS	ROS	8.42	1.81	4.66	0.97	22.7%	4.9%	17.8%	.244	1.15	.296	70.3%			3.35
2026	ZiPS DC	ROS	8.42	1.81	4.66	0.97	22.7%	4.9%	17.8%	.244	1.15	.296	70.3%			3.35
2026	ATC DC	ROS	8.49	1.83	4.65	1.07	23.1%	5.0%	18.2%	.242	1.13	.292	71.0%			3.50
2026	THE BAT	ROS	8.05	2.13	3.77	1.14	21.5%	5.7%	15.8%	.249	1.21	.294	70.0%			3.79
2026	THE BAT X	ROS	8.27	2.08	3.98	1.14	22.0%	5.5%	16.5%	.252	1.22	.300	70.0%			3.70
2026	OOPSY	ROS	8.58	1.87	4.58	1.02	23.2%	5.1%	18.1%	.231	1.10	.279	74.6%			3.42
Total	- - -	MLB	8.61	1.40	6.17	0.99	23.4%	3.8%	19.6%	.251	1.13	.306	72.8%	95	82	3.27
Postseason	- - -	MLB	9.35	1.73	5.40	1.38	24.3%	4.5%	19.8%	.262	1.23	.319	78.2%	108	100	3.97

PostseasonPreseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingMLB Regular Season

Season	Team	Level	Events Events - The number of Batted Balls (TBF - SO - BB - HBP)	EV EV - Exit Velocity (mph) - Speed of the baseball as it comes off the bat	maxEV maxEV - Maximum Exit Velocity (mph) - Highest speed of a ball off the bat.	LA LA - Launch Angle (degree) - Vertical direction of the ball as it leaves the bat	Barrels Barrels - A batted ball with comparable hit types (in terms of exit velocity and launch angle) have led to a minimum .500 batting average and 1.500 slugging percentage	Barrel% Barrel% - Percentage of batted balls that are classified as barrels	HardHit HardHit - Number of batted balls with exit velocity of 95 mph or higher	HardHit% HardHit% - Percentage of batted balls with exit velocity of 95 mph or higher	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA
2022	SEA	MLB	382	89.3	111.5	11.2	34	8.9%	148	38.7%	3.39	3.31
2023	SEA	MLB	560	89.2	115.6	12.4	42	7.5%	229	40.9%	3.35	3.88
2024	SEA	MLB	569	89.0	113.9	14.8	46	8.1%	206	36.2%	3.53	3.40
2025	SEA	AAA	30	92.6	110.1	7.1	3	10.0%	16	53.3%	7.20	4.20
2025	SEA	MLB	351	90.6	113.3	11.7	30	8.5%	154	43.9%	4.21	3.88
2026	SEA	ST	47	91.1	111.6	3.8	0	0.0%	24	51.1%	3.77
2026	SEA	MLB	239	89.3	109.2	8.5	12	5.0%	99	41.4%	4.04	3.49
Total	- - -	MLB	2101	89.4	115.6	12.3	164	7.8%	836	39.8%	3.63	3.60

Season	Team	Level	Events Events - The number of Batted Balls (TBF - SO - BB - HBP)	EV EV - Exit Velocity (mph) - Speed of the baseball as it comes off the bat	maxEV maxEV - Maximum Exit Velocity (mph) - Highest speed of a ball off the bat.	LA LA - Launch Angle (degree) - Vertical direction of the ball as it leaves the bat	Barrels Barrels - A batted ball with comparable hit types (in terms of exit velocity and launch angle) have led to a minimum .500 batting average and 1.500 slugging percentage	Barrel% Barrel% - Percentage of batted balls that are classified as barrels	HardHit HardHit - Number of batted balls with exit velocity of 95 mph or higher	HardHit% HardHit% - Percentage of batted balls with exit velocity of 95 mph or higher	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA
2022	SEA	MLB	382	89.3	111.5	11.2	34	8.9%	148	38.7%	3.39	3.31
2023	SEA	MLB	560	89.2	115.6	12.4	42	7.5%	229	40.9%	3.35	3.88
2024	SEA	MLB	569	89.0	113.9	14.8	46	8.1%	206	36.2%	3.53	3.40
2025	SEA	AAA	30	92.6	110.1	7.1	3	10.0%	16	53.3%	7.20	4.20
2025	SEA	MLB	351	90.6	113.3	11.7	30	8.5%	154	43.9%	4.21	3.88
2026	SEA	ST	47	91.1	111.6	3.8	0	0.0%	24	51.1%	3.77
2026	SEA	MLB	239	89.3	109.2	8.5	12	5.0%	99	41.4%	4.04	3.49
Total	- - -	MLB	2101	89.4	115.6	12.3	164	7.8%	836	39.8%	3.63	3.60

George Kirby

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BAL	CHW	ATH
BOS	CLE	HOU
NYY	DET	LAA
TBR	KCR	SEA
TOR	MIN	TEX

ATL	CHC	ARI
MIA	CIN	COL
NYM	MIL	LAD
PHI	PIT	SDP
WSN	STL	SFG