George Kirby

Seattle Mariners

Age: 27

Bats/Throws: R/R

6'4" / 215

DOB: 2/4/1998

(27 years, 4 months, 24 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	3.44	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		5.81	3.60
2025	SEA	MLB	27	1	4	0	7	7	36.2	8.84	2.21	1.72	.310	68.9%	43.0%	17.9%	96.1	5.40	4.15	4.49	3.57	0.2
2025	FGDC	ROS	27	6	5	0	16	16	90.0	8.46	1.48	1.11	.292	72.6%				3.56		3.41		1.7
2025	Steamer	ROS	27	6	5	0	16	16	91.0	8.43	1.50	1.13	.287	73.5%				3.49		3.46		1.6
2025	ZiPS	ROS	27	5	4		13	13	74.0	8.50	1.47	1.09	.296	71.8%				3.63		3.36		1.5
2025	ZiPS DC	ROS	27	6	5	0	16	16	88.0	8.50	1.47	1.09	.296	71.8%				3.63		3.36		1.7
2025	ATC DC	ROS	27	7	5	0	16	16	94.0	8.32	1.36	1.12	.288	72.1%				3.53		3.40		1.8
2025	THE BAT	ROS	27	6	5	0	16	16	90.0	8.03	1.52	1.20	.279	71.7%				3.71		3.63		1.8
2025	OOPSY	ROS	27	7	5	0	16	16	90.0	8.66	1.53	1.11	.282	73.7%				3.39		3.37		1.7
Total	- - -	MLB		36	30	0	96	96	548.1	8.53	1.20	1.05	.302	73.5%	43.4%	10.4%	95.9	3.56		3.31	3.54	11.6
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	3.44	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		5.81	3.60
2025	SEA	MLB	27	1	4	0	7	7	36.2	8.84	2.21	1.72	.310	68.9%	43.0%	17.9%	96.1	5.40	4.15	4.49	3.57	0.2
2025	FGDC	ROS	27	6	5	0	16	16	90.0	8.46	1.48	1.11	.292	72.6%				3.56		3.41		1.7
2025	Steamer	ROS	27	6	5	0	16	16	91.0	8.43	1.50	1.13	.287	73.5%				3.49		3.46		1.6
2025	ZiPS	ROS	27	5	4		13	13	74.0	8.50	1.47	1.09	.296	71.8%				3.63		3.36		1.5
2025	ZiPS DC	ROS	27	6	5	0	16	16	88.0	8.50	1.47	1.09	.296	71.8%				3.63		3.36		1.7
2025	ATC DC	ROS	27	7	5	0	16	16	94.0	8.32	1.36	1.12	.288	72.1%				3.53		3.40		1.8
2025	THE BAT	ROS	27	6	5	0	16	16	90.0	8.03	1.52	1.20	.279	71.7%				3.71		3.63		1.8
2025	OOPSY	ROS	27	7	5	0	16	16	90.0	8.66	1.53	1.11	.282	73.7%				3.39		3.37		1.7
Total	- - -	MLB		36	30	0	96	96	548.1	8.53	1.20	1.05	.302	73.5%	43.4%	10.4%	95.9	3.56		3.31	3.54	11.6
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	1	4	5.40	7	7	2	0	0	0	0	0	36.2	154	38	22	22	7	9	0	2	1	0	36
2025	FGDC	ROS	6	5	3.56	16	16	9			0	0		90.0	368	85	39	36	11	15		3			84
2025	Steamer	ROS	6	5	3.49	16	16	9	0	0	0	0		91.0	373	85	38	35	11	15		4			85
2025	ZiPS	ROS	5	4	3.63	13	13							74.0	304	71	33	30	9	12		3			70
2025	ZiPS DC	ROS	6	5	3.63	16	16	9			0	0		88.0	362	85	39	36	11	14		3			84
2025	ATC DC	ROS	7	5	3.53	16	16	9			0	0		94.0	377	87	40	37	12	14		3			87
2025	THE BAT	ROS	6	5	3.71	16	16				0	0		90.0	364	83	40	37	12	15	0	3			80
2025	OOPSY	ROS	7	5	3.39	16	16	9			0	0		90.0	368	82	37	34	11	15		3			87
Total	- - -	MLB	36	30	3.56	96	96	53	1	0	0	0	0	548.1	2231	533	232	217	64	73	1	20	11	1	520
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	1	4	5.40	7	7	2	0	0	0	0	0	36.2	154	38	22	22	7	9	0	2	1	0	36
2025	FGDC	ROS	6	5	3.56	16	16	9			0	0		90.0	368	85	39	36	11	15		3			84
2025	Steamer	ROS	6	5	3.49	16	16	9	0	0	0	0		91.0	373	85	38	35	11	15		4			85
2025	ZiPS	ROS	5	4	3.63	13	13							74.0	304	71	33	30	9	12		3			70
2025	ZiPS DC	ROS	6	5	3.63	16	16	9			0	0		88.0	362	85	39	36	11	14		3			84
2025	ATC DC	ROS	7	5	3.53	16	16	9			0	0		94.0	377	87	40	37	12	14		3			87
2025	THE BAT	ROS	6	5	3.71	16	16				0	0		90.0	364	83	40	37	12	15	0	3			80
2025	OOPSY	ROS	7	5	3.39	16	16	9			0	0		90.0	368	82	37	34	11	15		3			87
Total	- - -	MLB	36	30	3.56	96	96	53	1	0	0	0	0	548.1	2231	533	232	217	64	73	1	20	11	1	520
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%	138	107	5.81
2025	SEA	MLB	8.84	2.21	4.00	1.72	23.4%	5.8%	17.5%	.266	1.28	.310	68.9%	144	115	4.49
2025			8.38	3.25	2.58	1.12	22.0%	8.5%	13.4%	.242	1.29	.289	72.8%			4.17
2025	FGDC	ROS	8.46	1.48	5.71	1.11	23.0%	4.0%	19.0%	.244	1.11	.292	72.6%			3.41
2025	Steamer	ROS	8.43	1.50	5.63	1.13	22.9%	4.1%	18.8%	.241	1.10	.287	73.5%			3.46
2025	ZiPS	ROS	8.50	1.47	5.78	1.09	23.1%	4.0%	19.1%	.246	1.12	.296	71.8%			3.36
2025	ZiPS DC	ROS	8.50	1.47	5.78	1.09	23.1%	4.0%	19.1%	.246	1.12	.296	71.8%			3.36
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	8.03	1.52	5.27	1.20	22.0%	4.2%	17.9%	.240	1.09	.279	71.7%			3.63
2025	OOPSY	ROS	8.66	1.53	5.68	1.11	23.5%	4.1%	19.4%	.235	1.08	.282	73.7%			3.37
Total	- - -	MLB	8.53	1.20	7.12	1.05	23.3%	3.3%	20.0%	.249	1.11	.302	73.5%	93	83	3.31
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%	138	107	5.81
2025	SEA	MLB	8.84	2.21	4.00	1.72	23.4%	5.8%	17.5%	.266	1.28	.310	68.9%	144	115	4.49
2025			8.38	3.25	2.58	1.12	22.0%	8.5%	13.4%	.242	1.29	.289	72.8%			4.17
2025	FGDC	ROS	8.46	1.48	5.71	1.11	23.0%	4.0%	19.0%	.244	1.11	.292	72.6%			3.41
2025	Steamer	ROS	8.43	1.50	5.63	1.13	22.9%	4.1%	18.8%	.241	1.10	.287	73.5%			3.46
2025	ZiPS	ROS	8.50	1.47	5.78	1.09	23.1%	4.0%	19.1%	.246	1.12	.296	71.8%			3.36
2025	ZiPS DC	ROS	8.50	1.47	5.78	1.09	23.1%	4.0%	19.1%	.246	1.12	.296	71.8%			3.36
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	8.03	1.52	5.27	1.20	22.0%	4.2%	17.9%	.240	1.09	.279	71.7%			3.63
2025	OOPSY	ROS	8.66	1.53	5.68	1.11	23.5%	4.1%	19.4%	.235	1.08	.282	73.7%			3.37
Total	- - -	MLB	8.53	1.20	7.12	1.05	23.3%	3.3%	20.0%	.249	1.11	.302	73.5%	93	83	3.31
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	3.44
2025	SEA	AAA	30	92.6	110.1	7.1			16	53.3%	7.20
2025	SEA	MLB	107	90.4	113.3	13.6	10	9.3%	45	42.1%	5.40	4.15
Total	- - -	MLB	1618	89.3	115.6	13.1	131	8.1%	623	38.5%	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	3.44
2025	SEA	AAA	30	92.6	110.1	7.1			16	53.3%	7.20
2025	SEA	MLB	107	90.4	113.3	13.6	10	9.3%	45	42.1%	5.40	4.15
Total	- - -	MLB	1618	89.3	115.6	13.1	131	8.1%	623	38.5%	3.56

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