George Kirby

Seattle Mariners

Age: 27

Bats/Throws: R/R

6'4" / 215

DOB: 2/4/1998

(27 years, 3 months, 29 days)

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	3.90	3.34	3.63	4.3
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	3.41	3.26	3.58	4.2
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	FGDC	PROJ	27	11	9	0	28	28	159.0	8.47	1.36	1.07	.290	73.1%				3.46		3.40		3.1
2025	Steamer	PROJ	27	10	9	0	28	28	159.0	8.53	1.38	1.16	.289	73.1%	41.3%			3.54		3.53	3.56	2.9
2025	ZiPS	PROJ	27	13	9	0	30	30	173.3	8.41	1.35	0.99	.291	73.1%				3.38		3.28		3.6
2025	ZiPS DC	PROJ	27	12	8	0	28	28	159.0	8.41	1.35	0.99	.291	73.1%				3.38		3.28		3.3
2025	ATC	PROJ	27	11	8	0	26	26	153.0	8.41	1.25	1.10	.291	72.1%				3.50		3.41		3.1
2025	THE BAT	PROJ	27	10	8	0	26	26	153.0	8.14	1.34	1.07	.275	71.8%				3.45		3.44		3.6
2025	OOPSY	PROJ	27	12	8	0	28	28	156.0	8.70	1.41	1.08	.280	74.2%				3.28		3.37		3.1
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		5.67	3.44
2025	SEA	MLB	27	0	2	0	2	2	8.2	8.31	3.12	3.12	.385	50.7%	41.4%	33.3%	95.7	11.42	9.00	7.46	4.46	-0.2
2025	FGDC	ROS	27	7	6	0	19	19	108.0	8.38	1.45	1.09	.293	72.4%				3.56		3.40		2.1
2025	Steamer	ROS	27	7	6	0	19	19	110.0	8.34	1.48	1.12	.289	73.0%				3.53		3.45		2.0
2025	ZiPS	ROS	27	7	5		16	16	91.0	8.42	1.41	1.06	.297	71.8%				3.59		3.34		1.8
2025	ZiPS DC	ROS	27	8	6	0	19	19	107.0	8.42	1.41	1.06	.297	71.8%				3.59		3.34		2.2
2025	ATC DC	ROS	27	8	6	0	19	19	113.0	8.32	1.36	1.12	.288	72.1%				3.53		3.40		2.2
2025	THE BAT	ROS	27	7	6	0	19	19	107.0	8.04	1.46	1.16	.280	71.2%				3.69		3.56		2.2
2025	OOPSY	ROS	27	8	5	0	19	19	108.0	8.68	1.46	1.10	.281	74.0%				3.35		3.34		2.1
Total	- - -	MLB		35	28	0	91	91	520.1	8.51	1.16	1.04	.303	73.2%	43.4%	10.2%	95.9	3.56		3.29	3.55	11.2
Postseason	- - -	MLB		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

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	3.90	3.34	3.63	4.3
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	3.41	3.26	3.58	4.2
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	FGDC	PROJ	27	11	9	0	28	28	159.0	8.47	1.36	1.07	.290	73.1%				3.46		3.40		3.1
2025	Steamer	PROJ	27	10	9	0	28	28	159.0	8.53	1.38	1.16	.289	73.1%	41.3%			3.54		3.53	3.56	2.9
2025	ZiPS	PROJ	27	13	9	0	30	30	173.3	8.41	1.35	0.99	.291	73.1%				3.38		3.28		3.6
2025	ZiPS DC	PROJ	27	12	8	0	28	28	159.0	8.41	1.35	0.99	.291	73.1%				3.38		3.28		3.3
2025	ATC	PROJ	27	11	8	0	26	26	153.0	8.41	1.25	1.10	.291	72.1%				3.50		3.41		3.1
2025	THE BAT	PROJ	27	10	8	0	26	26	153.0	8.14	1.34	1.07	.275	71.8%				3.45		3.44		3.6
2025	OOPSY	PROJ	27	12	8	0	28	28	156.0	8.70	1.41	1.08	.280	74.2%				3.28		3.37		3.1
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		5.67	3.44
2025	SEA	MLB	27	0	2	0	2	2	8.2	8.31	3.12	3.12	.385	50.7%	41.4%	33.3%	95.7	11.42	9.00	7.46	4.46	-0.2
2025	FGDC	ROS	27	7	6	0	19	19	108.0	8.38	1.45	1.09	.293	72.4%				3.56		3.40		2.1
2025	Steamer	ROS	27	7	6	0	19	19	110.0	8.34	1.48	1.12	.289	73.0%				3.53		3.45		2.0
2025	ZiPS	ROS	27	7	5		16	16	91.0	8.42	1.41	1.06	.297	71.8%				3.59		3.34		1.8
2025	ZiPS DC	ROS	27	8	6	0	19	19	107.0	8.42	1.41	1.06	.297	71.8%				3.59		3.34		2.2
2025	ATC DC	ROS	27	8	6	0	19	19	113.0	8.32	1.36	1.12	.288	72.1%				3.53		3.40		2.2
2025	THE BAT	ROS	27	7	6	0	19	19	107.0	8.04	1.46	1.16	.280	71.2%				3.69		3.56		2.2
2025	OOPSY	ROS	27	8	5	0	19	19	108.0	8.68	1.46	1.10	.281	74.0%				3.35		3.34		2.1
Total	- - -	MLB		35	28	0	91	91	520.1	8.51	1.16	1.04	.303	73.2%	43.4%	10.2%	95.9	3.56		3.29	3.55	11.2
Postseason	- - -	MLB		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

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	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	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	FGDC	PROJ	11	9	3.46	28	28	16			0	0		159.0	648	149	66	61	19	24		6			150
2025	Steamer	PROJ	10	9	3.54	28	28	15	0	0	0	0		159.0	648	150	68	62	21	24	0	6			151
2025	ZiPS	PROJ	13	9	3.38	30	30				0	0		173.3	705	162	70	65	19	26	0	6	4	0	162
2025	ZiPS DC	PROJ	12	8	3.38	28	28	17			0	0		159.0	647	149	64	60	17	24		6			149
2025	ATC	PROJ	11	8	3.50	26	26	13			0	0		153.0	614	143	64	59	19	21	1	6			143
2025	THE BAT	PROJ	10	8	3.45	26	26	12			0	0		153.0	612	136	63	59	18	23	0	5			138
2025	OOPSY	PROJ	12	8	3.28	28	28	17			0	0		156.0	636	141	62	57	19	24		6			151
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	MLB	0	2	11.42	2	2	0	0	0	0	0	0	8.2	42	13	11	11	3	3	0	2	1	0	8
2025	FGDC	ROS	7	6	3.56	19	19	11			0	0		108.0	443	103	47	43	13	17		4			101
2025	Steamer	ROS	7	6	3.53	19	19	11	0	0	0	0		110.0	451	104	47	43	14	18		4			102
2025	ZiPS	ROS	7	5	3.59	16	16							91.0	373	88	40	36	11	14		4			85
2025	ZiPS DC	ROS	8	6	3.59	19	19	10			0	0		107.0	436	102	46	43	13	17		4			100
2025	ATC DC	ROS	8	6	3.53	19	19	11			0	0		113.0	453	104	48	44	14	17		4			104
2025	THE BAT	ROS	7	6	3.69	19	19				0	0		107.0	433	98	47	44	14	17	0	4			96
2025	OOPSY	ROS	8	5	3.35	19	19	11			0	0		108.0	442	98	44	40	13	18		4			104
Total	- - -	MLB	35	28	3.56	91	91	51	1	0	0	0	0	520.1	2119	508	221	206	60	67	1	20	11	1	492
Postseason	- - -	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

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	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	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	FGDC	PROJ	11	9	3.46	28	28	16			0	0		159.0	648	149	66	61	19	24		6			150
2025	Steamer	PROJ	10	9	3.54	28	28	15	0	0	0	0		159.0	648	150	68	62	21	24	0	6			151
2025	ZiPS	PROJ	13	9	3.38	30	30				0	0		173.3	705	162	70	65	19	26	0	6	4	0	162
2025	ZiPS DC	PROJ	12	8	3.38	28	28	17			0	0		159.0	647	149	64	60	17	24		6			149
2025	ATC	PROJ	11	8	3.50	26	26	13			0	0		153.0	614	143	64	59	19	21	1	6			143
2025	THE BAT	PROJ	10	8	3.45	26	26	12			0	0		153.0	612	136	63	59	18	23	0	5			138
2025	OOPSY	PROJ	12	8	3.28	28	28	17			0	0		156.0	636	141	62	57	19	24		6			151
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	MLB	0	2	11.42	2	2	0	0	0	0	0	0	8.2	42	13	11	11	3	3	0	2	1	0	8
2025	FGDC	ROS	7	6	3.56	19	19	11			0	0		108.0	443	103	47	43	13	17		4			101
2025	Steamer	ROS	7	6	3.53	19	19	11	0	0	0	0		110.0	451	104	47	43	14	18		4			102
2025	ZiPS	ROS	7	5	3.59	16	16							91.0	373	88	40	36	11	14		4			85
2025	ZiPS DC	ROS	8	6	3.59	19	19	10			0	0		107.0	436	102	46	43	13	17		4			100
2025	ATC DC	ROS	8	6	3.53	19	19	11			0	0		113.0	453	104	48	44	14	17		4			104
2025	THE BAT	ROS	7	6	3.69	19	19				0	0		107.0	433	98	47	44	14	17	0	4			96
2025	OOPSY	ROS	8	5	3.35	19	19	11			0	0		108.0	442	98	44	40	13	18		4			104
Total	- - -	MLB	35	28	3.56	91	91	51	1	0	0	0	0	520.1	2119	508	221	206	60	67	1	20	11	1	492
Postseason	- - -	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

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	50	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%	46	64	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%	83	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%	115	68	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	82	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	ST	9.00	18.00	0.50	0.00	20.0%	40.0%	-20.0%	.000	2.00	.000	50.0%	177	156	7.73
2025	FGDC	PROJ	8.47	1.36	6.21	1.07	23.1%	3.7%	19.4%	.241	1.09	.290	73.1%			3.40
2025	Steamer	PROJ	8.53	1.38	6.19	1.16	23.2%	3.8%	19.5%	.242	1.09	.289	73.1%			3.53
2025	ZiPS	PROJ	8.41	1.35	6.23	0.99	23.0%	3.7%	19.3%	.241	1.08	.291	73.1%			3.28
2025	ZiPS DC	PROJ	8.41	1.35	6.23	0.99	23.0%	3.7%	19.3%	.241	1.08	.291	73.1%			3.28
2025	ATC	PROJ	8.41	1.25	6.72	1.10	23.2%	3.5%	19.8%	.243	1.07	.291	72.1%			3.41
2025	THE BAT	PROJ	8.14	1.34	6.10	1.07	22.6%	3.7%	18.9%	.232	1.04	.275	71.8%			3.44
2025	OOPSY	PROJ	8.70	1.41	6.18	1.08	23.8%	3.8%	19.9%	.232	1.06	.280	74.2%			3.37
2025	SEA	AAA	11.70	1.80	6.50	2.70	28.9%	4.4%	24.4%	.349	1.70	.444	70.3%	145	109	5.67
2025	SEA	MLB	8.31	3.12	2.67	3.12	19.0%	7.1%	11.9%	.351	1.85	.385	50.7%	308	193	7.46
2025			8.40	3.30	2.54	1.09	22.0%	8.6%	13.3%	.241	1.29	.289	72.8%			4.14
2025	FGDC	ROS	8.38	1.45	5.80	1.09	22.8%	3.9%	18.8%	.245	1.11	.293	72.4%			3.40
2025	Steamer	ROS	8.34	1.48	5.65	1.12	22.6%	4.0%	18.6%	.243	1.11	.289	73.0%			3.45
2025	ZiPS	ROS	8.42	1.41	5.95	1.06	22.9%	3.8%	19.1%	.247	1.12	.297	71.8%			3.34
2025	ZiPS DC	ROS	8.42	1.41	5.95	1.06	22.9%	3.8%	19.1%	.247	1.12	.297	71.8%			3.34
2025	ATC DC	ROS	8.32	1.36	6.13	1.12	23.0%	3.7%	19.2%	.242	1.08	.288	72.1%			3.40
2025	THE BAT	ROS	8.04	1.46	5.51	1.16	22.1%	4.0%	18.1%	.239	1.08	.280	71.2%			3.56
2025	OOPSY	ROS	8.68	1.46	5.93	1.10	23.6%	4.0%	19.6%	.234	1.07	.281	74.0%			3.34
Total	- - -	MLB	8.51	1.16	7.34	1.04	23.2%	3.2%	20.1%	.250	1.11	.303	73.2%	93	83	3.29
Postseason	- - -	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

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	50	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%	46	64	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%	83	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%	115	68	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	82	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	ST	9.00	18.00	0.50	0.00	20.0%	40.0%	-20.0%	.000	2.00	.000	50.0%	177	156	7.73
2025	FGDC	PROJ	8.47	1.36	6.21	1.07	23.1%	3.7%	19.4%	.241	1.09	.290	73.1%			3.40
2025	Steamer	PROJ	8.53	1.38	6.19	1.16	23.2%	3.8%	19.5%	.242	1.09	.289	73.1%			3.53
2025	ZiPS	PROJ	8.41	1.35	6.23	0.99	23.0%	3.7%	19.3%	.241	1.08	.291	73.1%			3.28
2025	ZiPS DC	PROJ	8.41	1.35	6.23	0.99	23.0%	3.7%	19.3%	.241	1.08	.291	73.1%			3.28
2025	ATC	PROJ	8.41	1.25	6.72	1.10	23.2%	3.5%	19.8%	.243	1.07	.291	72.1%			3.41
2025	THE BAT	PROJ	8.14	1.34	6.10	1.07	22.6%	3.7%	18.9%	.232	1.04	.275	71.8%			3.44
2025	OOPSY	PROJ	8.70	1.41	6.18	1.08	23.8%	3.8%	19.9%	.232	1.06	.280	74.2%			3.37
2025	SEA	AAA	11.70	1.80	6.50	2.70	28.9%	4.4%	24.4%	.349	1.70	.444	70.3%	145	109	5.67
2025	SEA	MLB	8.31	3.12	2.67	3.12	19.0%	7.1%	11.9%	.351	1.85	.385	50.7%	308	193	7.46
2025			8.40	3.30	2.54	1.09	22.0%	8.6%	13.3%	.241	1.29	.289	72.8%			4.14
2025	FGDC	ROS	8.38	1.45	5.80	1.09	22.8%	3.9%	18.8%	.245	1.11	.293	72.4%			3.40
2025	Steamer	ROS	8.34	1.48	5.65	1.12	22.6%	4.0%	18.6%	.243	1.11	.289	73.0%			3.45
2025	ZiPS	ROS	8.42	1.41	5.95	1.06	22.9%	3.8%	19.1%	.247	1.12	.297	71.8%			3.34
2025	ZiPS DC	ROS	8.42	1.41	5.95	1.06	22.9%	3.8%	19.1%	.247	1.12	.297	71.8%			3.34
2025	ATC DC	ROS	8.32	1.36	6.13	1.12	23.0%	3.7%	19.2%	.242	1.08	.288	72.1%			3.40
2025	THE BAT	ROS	8.04	1.46	5.51	1.16	22.1%	4.0%	18.1%	.239	1.08	.280	71.2%			3.56
2025	OOPSY	ROS	8.68	1.46	5.93	1.10	23.6%	4.0%	19.6%	.234	1.07	.281	74.0%			3.34
Total	- - -	MLB	8.51	1.16	7.34	1.04	23.2%	3.2%	20.1%	.250	1.11	.303	73.2%	93	83	3.29
Postseason	- - -	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

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	11.3	33	8.6%	145	38.0%	3.39	3.31
2023	SEA	MLB	560	89.2	115.6	12.4	42	7.5%	229	40.9%	3.35	3.90
2024	SEA	MLB	569	89.0	113.9	14.8	46	8.1%	204	35.9%	3.53	3.41
2025	SEA	AAA	30	92.6	110.1	7.1			16	53.3%	7.20
2025	SEA	MLB	29	92.1	113.3	9.0	4	13.8%	14	48.3%	11.42	9.00
Total	- - -	MLB	1540	89.2	115.6	13.0	125	8.1%	592	38.4%	3.56

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	11.3	33	8.6%	145	38.0%	3.39	3.31
2023	SEA	MLB	560	89.2	115.6	12.4	42	7.5%	229	40.9%	3.35	3.90
2024	SEA	MLB	569	89.0	113.9	14.8	46	8.1%	204	35.9%	3.53	3.41
2025	SEA	AAA	30	92.6	110.1	7.1			16	53.3%	7.20
2025	SEA	MLB	29	92.1	113.3	9.0	4	13.8%	14	48.3%	11.42	9.00
Total	- - -	MLB	1540	89.2	115.6	13.0	125	8.1%	592	38.4%	3.56

George Kirby

Stats

Dashboard

Standard

Advanced

Statcast

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