Gregory Santos

Seattle Mariners

Age: 25

Bats/Throws: R/R

6'2" / 190

DOB: 8/28/1999

(25 years, 7 months, 28 days)

Stats

Preseason 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
2016	BOS	R	16	3	3	1	16	10	41.0	5.49	5.71	0.22	.300	63.7%	60.6%	3.8%		4.17		4.55	4.49
2017	BOS	R	17	2	0	0	8	8	30.1	7.12	4.45	0.00	.265	84.2%	82.5%	0.0%		0.89		3.26	3.37
2017	SFG	R	17	1	0	0	4	4	18.2	8.20	2.41	0.96	.322	90.5%	56.9%	20.0%		1.93		3.64	2.49
2017	---	MiLB	17	3	0	0	12	12	49.0	7.53	3.67	0.37	.289	86.6%	71.7%	11.8%		1.29		3.41	3.03
2018	SFG	A-	18	2	5	0	12	12	49.2	8.34	2.72	0.54	.377	60.7%	60.9%	8.1%		4.53		3.45	3.43
2019	SFG	A	19	1	5	0	8	8	34.2	6.75	2.34	1.04	.288	72.2%	54.3%	12.9%		2.86		4.27	3.65
2021	SFG	AAA	21	1	1	0	14	0	15.2	8.62	5.17	0.57	.333	71.4%	65.2%	10.0%		5.17		5.15	5.55
2021	SFG	ST	21	0	0	0	2	0	1.0	0.00	18.00	0.00	.500	20.0%	33.3%	0.0%		36.00		9.58	15.49
2021	SFG	MLB	21	0	2	0	3	0	2.0	13.50	9.00	13.50	.400	35.7%	37.5%	60.0%	98.2	22.50	18.23	22.67	7.58	-0.5
2022	SFG	CPX	22	0	0	0	2	2	2.0	13.50	0.00	0.00	.400	100.0%	40.0%	0.0%		0.00		1.24	2.29
2022	SFG	AAA	22	1	2	1	33	0	33.0	9.27	5.45	1.09	.287	64.7%	51.7%	14.3%		4.91		5.46	5.60
2022	SFG	MiLB	22	1	2	1	35	2	35.0	9.51	5.14	1.03	.293	66.1%	51.1%	13.3%		4.63		5.22	5.41
2022	SFG	MLB	22	0	0	0	2	0	3.2	4.91	7.36	0.00	.250	66.7%	75.0%	0.0%	98.7	4.91	3.19	4.48	5.28	0.0
2023	CHW	ST	23	0	0	0	8	0	9.1	7.71	1.93	0.00	.296	72.7%	53.8%	0.0%		1.93		3.06	4.01
2023	CHW	MLB	23	2	2	5	60	0	66.1	8.95	2.31	0.27	.337	70.3%	52.5%	4.8%	98.8	3.39	3.14	2.65	3.31	1.5
2024	SEA	A+	24	0	0	0	1	0	1.0	9.00	0.00	0.00	.000	100.0%	100.0%	0.0%		0.00		1.53	1.53
2024	SEA	AAA	24	0	0	0	7	0	6.1	9.95	9.95	0.00	.214	90.0%	85.7%	0.0%		1.42		4.94	5.23
2024	SEA	MiLB	24	0	0	0	8	0	7.1	9.82	8.59	0.00	.188	90.0%	87.5%	0.0%		1.23		4.47	4.72
2024	SEA	MLB	24	0	1	0	8	0	7.1	7.36	1.23	0.00	.304	55.6%	56.5%	0.0%		4.91	3.01	2.35	3.38	0.2
2025	SEA	ST	25	0	0	0	6	0	5.2	7.94	3.18	0.00	.333	77.8%	58.8%	0.0%		1.59		3.56	4.49
2025	FGDC	PROJ	25	3	2	5	62	0	62.0	9.63	2.93	0.57	.300	76.1%				2.95		3.01		1.1
2025	Steamer	PROJ	25	3	3	5	62	0	62.0	9.42	3.32	0.83	.296	74.6%	49.7%			3.36		3.52	3.56	0.6
2025	ZiPS	PROJ	25	2	1	5	52	0	56.7	9.84	2.54	0.32	.304	77.5%				2.54		2.50		1.1
2025	ZiPS DC	PROJ	25	2	1	5	62	0	62.0	9.84	2.54	0.32	.304	77.5%				2.54		2.50		1.5
2025	ATC	PROJ	25	2	2	3	48	0	52.0	8.97	3.05	0.66	.300	73.3%				3.34		3.32		0.7
2025	THE BAT	PROJ	25	2	1	3	48	0	52.0	8.16	2.92	0.71	.286	71.9%				3.52		3.51		0.5
2025	OOPSY	PROJ	25	3	3	5	62	0	62.0	9.31	3.31	0.71	.280	75.9%				3.09		3.37		0.6
2025	SEA	MLB	25	1	1	0	8	0	7.0	0.00	10.29	0.00	.286	62.5%	63.0%	0.0%		5.14	6.08	6.46	7.68	-0.2
2025	FGDC	ROS	25	2	2	0	44	0	44.0	8.88	3.52	0.56	.309	74.4%				3.29		3.20		0.1
2025	Steamer	ROS	25	2	2	0	44	0	44.0	8.65	3.84	0.83	.296	74.1%				3.59		3.72		0.2
2025	ZiPS	ROS	25	2	1		44	0	47.0	9.11	3.21	0.29	.322	74.6%				3.00		2.69		0.8
2025	ZiPS DC	ROS	25	2	1	0	44	0	44.0	9.11	3.21	0.29	.322	74.6%				3.00		2.69		0.2
2025	ATC DC	ROS	25	2	2	0	44	0	44.0	8.97	3.05	0.66	.300	73.3%				3.34		3.18		0.1
2025	THE BAT	ROS	25	1	1	0	45	0	27.0	6.25	3.24	0.80	.287	69.0%				4.17		4.03		0.1
2025	OOPSY	ROS	25	2	2	0	44	0	44.0	8.34	3.54	0.72	.283	73.1%				3.43		3.53		0.1
Total	- - -	MLB		3	6	5	81	0	86.1	8.03	3.23	0.52	.326	67.2%	54.4%	8.3%	98.7	4.17		3.48	3.85	0.9

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
2016	BOS	R	16	3	3	1	16	10	41.0	5.49	5.71	0.22	.300	63.7%	60.6%	3.8%		4.17		4.55	4.49
2017	BOS	R	17	2	0	0	8	8	30.1	7.12	4.45	0.00	.265	84.2%	82.5%	0.0%		0.89		3.26	3.37
2017	SFG	R	17	1	0	0	4	4	18.2	8.20	2.41	0.96	.322	90.5%	56.9%	20.0%		1.93		3.64	2.49
2017	---	MiLB	17	3	0	0	12	12	49.0	7.53	3.67	0.37	.289	86.6%	71.7%	11.8%		1.29		3.41	3.03
2018	SFG	A-	18	2	5	0	12	12	49.2	8.34	2.72	0.54	.377	60.7%	60.9%	8.1%		4.53		3.45	3.43
2019	SFG	A	19	1	5	0	8	8	34.2	6.75	2.34	1.04	.288	72.2%	54.3%	12.9%		2.86		4.27	3.65
2021	SFG	AAA	21	1	1	0	14	0	15.2	8.62	5.17	0.57	.333	71.4%	65.2%	10.0%		5.17		5.15	5.55
2021	SFG	ST	21	0	0	0	2	0	1.0	0.00	18.00	0.00	.500	20.0%	33.3%	0.0%		36.00		9.58	15.49
2021	SFG	MLB	21	0	2	0	3	0	2.0	13.50	9.00	13.50	.400	35.7%	37.5%	60.0%	98.2	22.50	18.23	22.67	7.58	-0.5
2022	SFG	CPX	22	0	0	0	2	2	2.0	13.50	0.00	0.00	.400	100.0%	40.0%	0.0%		0.00		1.24	2.29
2022	SFG	AAA	22	1	2	1	33	0	33.0	9.27	5.45	1.09	.287	64.7%	51.7%	14.3%		4.91		5.46	5.60
2022	SFG	MiLB	22	1	2	1	35	2	35.0	9.51	5.14	1.03	.293	66.1%	51.1%	13.3%		4.63		5.22	5.41
2022	SFG	MLB	22	0	0	0	2	0	3.2	4.91	7.36	0.00	.250	66.7%	75.0%	0.0%	98.7	4.91	3.19	4.48	5.28	0.0
2023	CHW	ST	23	0	0	0	8	0	9.1	7.71	1.93	0.00	.296	72.7%	53.8%	0.0%		1.93		3.06	4.01
2023	CHW	MLB	23	2	2	5	60	0	66.1	8.95	2.31	0.27	.337	70.3%	52.5%	4.8%	98.8	3.39	3.14	2.65	3.31	1.5
2024	SEA	A+	24	0	0	0	1	0	1.0	9.00	0.00	0.00	.000	100.0%	100.0%	0.0%		0.00		1.53	1.53
2024	SEA	AAA	24	0	0	0	7	0	6.1	9.95	9.95	0.00	.214	90.0%	85.7%	0.0%		1.42		4.94	5.23
2024	SEA	MiLB	24	0	0	0	8	0	7.1	9.82	8.59	0.00	.188	90.0%	87.5%	0.0%		1.23		4.47	4.72
2024	SEA	MLB	24	0	1	0	8	0	7.1	7.36	1.23	0.00	.304	55.6%	56.5%	0.0%		4.91	3.01	2.35	3.38	0.2
2025	SEA	ST	25	0	0	0	6	0	5.2	7.94	3.18	0.00	.333	77.8%	58.8%	0.0%		1.59		3.56	4.49
2025	FGDC	PROJ	25	3	2	5	62	0	62.0	9.63	2.93	0.57	.300	76.1%				2.95		3.01		1.1
2025	Steamer	PROJ	25	3	3	5	62	0	62.0	9.42	3.32	0.83	.296	74.6%	49.7%			3.36		3.52	3.56	0.6
2025	ZiPS	PROJ	25	2	1	5	52	0	56.7	9.84	2.54	0.32	.304	77.5%				2.54		2.50		1.1
2025	ZiPS DC	PROJ	25	2	1	5	62	0	62.0	9.84	2.54	0.32	.304	77.5%				2.54		2.50		1.5
2025	ATC	PROJ	25	2	2	3	48	0	52.0	8.97	3.05	0.66	.300	73.3%				3.34		3.32		0.7
2025	THE BAT	PROJ	25	2	1	3	48	0	52.0	8.16	2.92	0.71	.286	71.9%				3.52		3.51		0.5
2025	OOPSY	PROJ	25	3	3	5	62	0	62.0	9.31	3.31	0.71	.280	75.9%				3.09		3.37		0.6
2025	SEA	MLB	25	1	1	0	8	0	7.0	0.00	10.29	0.00	.286	62.5%	63.0%	0.0%		5.14	6.08	6.46	7.68	-0.2
2025	FGDC	ROS	25	2	2	0	44	0	44.0	8.88	3.52	0.56	.309	74.4%				3.29		3.20		0.1
2025	Steamer	ROS	25	2	2	0	44	0	44.0	8.65	3.84	0.83	.296	74.1%				3.59		3.72		0.2
2025	ZiPS	ROS	25	2	1		44	0	47.0	9.11	3.21	0.29	.322	74.6%				3.00		2.69		0.8
2025	ZiPS DC	ROS	25	2	1	0	44	0	44.0	9.11	3.21	0.29	.322	74.6%				3.00		2.69		0.2
2025	ATC DC	ROS	25	2	2	0	44	0	44.0	8.97	3.05	0.66	.300	73.3%				3.34		3.18		0.1
2025	THE BAT	ROS	25	1	1	0	45	0	27.0	6.25	3.24	0.80	.287	69.0%				4.17		4.03		0.1
2025	OOPSY	ROS	25	2	2	0	44	0	44.0	8.34	3.54	0.72	.283	73.1%				3.43		3.53		0.1
Total	- - -	MLB		3	6	5	81	0	86.1	8.03	3.23	0.52	.326	67.2%	54.4%	8.3%	98.7	4.17		3.48	3.85	0.9

Preseason 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
2016	BOS	R	3	3	4.17	16	10		0	0	1	0	0	41.0	188	40	27	19	1	26	0	6	4	2	25
2017	BOS	R	2	0	0.89	8	8		0	0	0	0	0	30.1	123	22	6	3	0	15	0	1	3	0	24
2017	SFG	R	1	0	1.93	4	4		0	0	0	0	0	18.2	83	21	5	4	2	5	0	0	5	1	17
2017	---	MiLB	3	0	1.29	12	12		0	0	0	0	0	49.0	206	43	11	7	2	20	0	1	8	1	41
2018	SFG	A-	2	5	4.53	12	12		0	0	0	0	0	49.2	227	64	34	25	3	15	0	1	9	1	46
2019	SFG	A	1	5	2.86	8	8		0	0	0	0	0	34.2	143	34	16	11	4	9	0	0	1	0	26
2021	SFG	AAA	1	1	5.17	14	0		0	0	0	0	1	15.2	73	16	9	9	1	9	0	3	3	0	15
2021	SFG	ST	0	0	36.00	2	0		0	0	0	0	0	1.0	8	3	4	4	0	2	0	0	0	0	0
2021	SFG	MLB	0	2	22.50	3	0	0	0	0	0	1	0	2.0	13	5	6	5	3	2	0	0	0	0	3
2022	SFG	CPX	0	0	0.00	2	2		0	0	0	0	0	2.0	8	2	0	0	0	0	0	0	1	0	3
2022	SFG	AAA	1	2	4.91	33	0		0	0	1	4	2	33.0	148	29	22	18	4	20	0	3	2	1	34
2022	SFG	MiLB	1	2	4.63	35	2		0	0	1	4	2	35.0	156	31	22	18	4	20	0	3	3	1	37
2022	SFG	MLB	0	0	4.91	2	0	0	0	0	0	0	0	3.2	17	3	2	2	0	3	0	0	0	0	2
2023	CHW	ST	0	0	1.93	8	0		0	0	0	1	0	9.1	38	8	3	2	0	2	0	1	0	0	8
2023	CHW	MLB	2	2	3.39	60	0	0	0	0	5	6	4	66.1	289	69	29	25	2	17	1	5	2	1	66
2024	SEA	A+	0	0	0.00	1	0		0	0	0	0	0	1.0	3	0	0	0	0	0	0	0	0	0	1
2024	SEA	AAA	0	0	1.42	7	0		0	0	0	1	0	6.1	28	3	1	1	0	7	0	0	0	0	7
2024	SEA	MiLB	0	0	1.23	8	0		0	0	0	1	0	7.1	31	3	1	1	0	7	0	0	0	0	8
2024	SEA	MLB	0	1	4.91	8	0	0	0	0	0	2	1	7.1	31	7	4	4	0	1	0	1	0	1	6
2025	SEA	ST	0	0	1.59	6	0		0	0	0	2	0	5.2	26	6	2	1	0	2	0	1	0	0	5
2025	FGDC	PROJ	3	2	2.95	62	0	0			5	13		62.0	262	54	22	20	4	20		4			66
2025	Steamer	PROJ	3	3	3.36	62	0	0	0	0	5	13		62.0	260	54	26	23	6	23	1	3			65
2025	ZiPS	PROJ	2	1	2.54	52	0				5	13		56.7	242	50	17	16	2	16	1	4	2	1	62
2025	ZiPS DC	PROJ	2	1	2.54	62	0	0			5	13		62.0	265	55	19	17	2	17		4			68
2025	ATC	PROJ	2	2	3.34	48	0	0			3	12		52.0	220	47	21	19	4	18	1	3			52
2025	THE BAT	PROJ	2	1	3.52	48	0	0			3	13		52.0	219	46	22	20	4	17	1	3			47
2025	OOPSY	PROJ	3	3	3.09	62	0	0			5	13		62.0	263	52	23	21	5	23		3			64
2025	SEA	MLB	1	1	5.14	8	0	0	0	0	0	1	1	7.0	36	8	6	4	0	8	2	0	2	0	0
2025	FGDC	ROS	2	2	3.29	44	0	0			0	1		44.0	189	41	18	16	3	17		2			44
2025	Steamer	ROS	2	2	3.59	44	0	0	0	0	0	1		44.0	189	40	19	18	4	19		2			43
2025	ZiPS	ROS	2	1	3.00	44	0							47.0	201	44	17	16	2	17		3			48
2025	ZiPS DC	ROS	2	1	3.00	44	0	0			0	1		44.0	189	41	16	15	1	16		3			45
2025	ATC DC	ROS	2	2	3.34	44	0	0			0	1		44.0	186	40	18	16	3	15		3			44
2025	THE BAT	ROS	1	1	4.17	45	0				0	1		27.0	114	26	13	12	2	10	1	1			18
2025	OOPSY	ROS	2	2	3.43	44	0	0			0	1		44.0	185	38	18	17	4	17		2			41
Total	- - -	MLB	3	6	4.17	81	0	0	0	0	5	10	6	86.1	386	92	47	40	5	31	3	6	4	2	77

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
2016	BOS	R	3	3	4.17	16	10		0	0	1	0	0	41.0	188	40	27	19	1	26	0	6	4	2	25
2017	BOS	R	2	0	0.89	8	8		0	0	0	0	0	30.1	123	22	6	3	0	15	0	1	3	0	24
2017	SFG	R	1	0	1.93	4	4		0	0	0	0	0	18.2	83	21	5	4	2	5	0	0	5	1	17
2017	---	MiLB	3	0	1.29	12	12		0	0	0	0	0	49.0	206	43	11	7	2	20	0	1	8	1	41
2018	SFG	A-	2	5	4.53	12	12		0	0	0	0	0	49.2	227	64	34	25	3	15	0	1	9	1	46
2019	SFG	A	1	5	2.86	8	8		0	0	0	0	0	34.2	143	34	16	11	4	9	0	0	1	0	26
2021	SFG	AAA	1	1	5.17	14	0		0	0	0	0	1	15.2	73	16	9	9	1	9	0	3	3	0	15
2021	SFG	ST	0	0	36.00	2	0		0	0	0	0	0	1.0	8	3	4	4	0	2	0	0	0	0	0
2021	SFG	MLB	0	2	22.50	3	0	0	0	0	0	1	0	2.0	13	5	6	5	3	2	0	0	0	0	3
2022	SFG	CPX	0	0	0.00	2	2		0	0	0	0	0	2.0	8	2	0	0	0	0	0	0	1	0	3
2022	SFG	AAA	1	2	4.91	33	0		0	0	1	4	2	33.0	148	29	22	18	4	20	0	3	2	1	34
2022	SFG	MiLB	1	2	4.63	35	2		0	0	1	4	2	35.0	156	31	22	18	4	20	0	3	3	1	37
2022	SFG	MLB	0	0	4.91	2	0	0	0	0	0	0	0	3.2	17	3	2	2	0	3	0	0	0	0	2
2023	CHW	ST	0	0	1.93	8	0		0	0	0	1	0	9.1	38	8	3	2	0	2	0	1	0	0	8
2023	CHW	MLB	2	2	3.39	60	0	0	0	0	5	6	4	66.1	289	69	29	25	2	17	1	5	2	1	66
2024	SEA	A+	0	0	0.00	1	0		0	0	0	0	0	1.0	3	0	0	0	0	0	0	0	0	0	1
2024	SEA	AAA	0	0	1.42	7	0		0	0	0	1	0	6.1	28	3	1	1	0	7	0	0	0	0	7
2024	SEA	MiLB	0	0	1.23	8	0		0	0	0	1	0	7.1	31	3	1	1	0	7	0	0	0	0	8
2024	SEA	MLB	0	1	4.91	8	0	0	0	0	0	2	1	7.1	31	7	4	4	0	1	0	1	0	1	6
2025	SEA	ST	0	0	1.59	6	0		0	0	0	2	0	5.2	26	6	2	1	0	2	0	1	0	0	5
2025	FGDC	PROJ	3	2	2.95	62	0	0			5	13		62.0	262	54	22	20	4	20		4			66
2025	Steamer	PROJ	3	3	3.36	62	0	0	0	0	5	13		62.0	260	54	26	23	6	23	1	3			65
2025	ZiPS	PROJ	2	1	2.54	52	0				5	13		56.7	242	50	17	16	2	16	1	4	2	1	62
2025	ZiPS DC	PROJ	2	1	2.54	62	0	0			5	13		62.0	265	55	19	17	2	17		4			68
2025	ATC	PROJ	2	2	3.34	48	0	0			3	12		52.0	220	47	21	19	4	18	1	3			52
2025	THE BAT	PROJ	2	1	3.52	48	0	0			3	13		52.0	219	46	22	20	4	17	1	3			47
2025	OOPSY	PROJ	3	3	3.09	62	0	0			5	13		62.0	263	52	23	21	5	23		3			64
2025	SEA	MLB	1	1	5.14	8	0	0	0	0	0	1	1	7.0	36	8	6	4	0	8	2	0	2	0	0
2025	FGDC	ROS	2	2	3.29	44	0	0			0	1		44.0	189	41	18	16	3	17		2			44
2025	Steamer	ROS	2	2	3.59	44	0	0	0	0	0	1		44.0	189	40	19	18	4	19		2			43
2025	ZiPS	ROS	2	1	3.00	44	0							47.0	201	44	17	16	2	17		3			48
2025	ZiPS DC	ROS	2	1	3.00	44	0	0			0	1		44.0	189	41	16	15	1	16		3			45
2025	ATC DC	ROS	2	2	3.34	44	0	0			0	1		44.0	186	40	18	16	3	15		3			44
2025	THE BAT	ROS	1	1	4.17	45	0				0	1		27.0	114	26	13	12	2	10	1	1			18
2025	OOPSY	ROS	2	2	3.43	44	0	0			0	1		44.0	185	38	18	17	4	17		2			41
Total	- - -	MLB	3	6	4.17	81	0	0	0	0	5	10	6	86.1	386	92	47	40	5	31	3	6	4	2	77

Preseason 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
2016	BOS	R	5.49	5.71	0.96	0.22	13.3%	13.8%	-0.5%	.256	1.61	.300	63.7%	126	131	4.55
2017	BOS	R	7.12	4.45	1.60	0.00	19.5%	12.2%	7.3%	.206	1.22	.265	84.2%	24	88	3.26
2017	SFG	R	8.20	2.41	3.40	0.96	20.5%	6.0%	14.5%	.269	1.39	.322	90.5%	51	98	3.64
2017	---	MiLB	7.53	3.67	2.05	0.37	19.9%	9.7%	10.2%	.232	1.29	.289	86.6%	34	92	3.41
2018	SFG	A-	8.34	2.72	3.07	0.54	20.3%	6.6%	13.7%	.303	1.59	.377	60.7%	105	83	3.45
2019	SFG	A	6.75	2.34	2.89	1.04	18.2%	6.3%	11.9%	.254	1.24	.288	72.2%	79	116	4.27
2021	SFG	AAA	8.62	5.17	1.67	0.57	20.5%	12.3%	8.2%	.262	1.60	.333	71.4%	105	98	5.15
2021	SFG	ST	0.00	18.00	0.00	0.00	0.0%	25.0%	-25.0%	.500	5.00	.500	20.0%	758	209	9.58
2021	SFG	MLB	13.50	9.00	1.50	13.50	23.1%	15.4%	7.7%	.455	3.50	.400	35.7%	557	563	22.67
2021			8.90	3.34	2.67	1.26	23.2%	8.7%	14.5%	.241	1.30	.290	72.1%			4.30
2022	SFG	CPX	13.50	0.00	3.00	0.00	37.5%	0.0%	37.5%	.250	1.00	.400	100.0%	0	27	1.24
2022	SFG	AAA	9.27	5.45	1.70	1.09	23.0%	13.5%	9.5%	.232	1.48	.287	64.7%	102	106	5.46
2022	SFG	MiLB	9.51	5.14	1.85	1.03	23.7%	12.8%	10.9%	.233	1.46	.293	66.1%	96	102	5.22
2022	SFG	MLB	4.91	7.36	0.67	0.00	11.8%	17.6%	-5.9%	.214	1.64	.250	66.7%	124	116	4.48
2022			8.53	3.10	2.75	1.09	22.4%	8.2%	14.3%	.240	1.27	.289	72.6%			4.06
2023	CHW	ST	7.71	1.93	4.00	0.00	21.1%	5.3%	15.8%	.229	1.07	.296	72.7%	40	60	3.06
2023	CHW	MLB	8.95	2.31	3.88	0.27	22.8%	5.9%	17.0%	.258	1.30	.337	70.3%	79	60	2.65
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	A+	9.00	0.00	1.00	0.00	33.3%	0.0%	33.3%	.000	0.00	.000	100.0%	0	36	1.53
2024	SEA	AAA	9.95	9.95	1.00	0.00	25.0%	25.0%	0.0%	.143	1.58	.214	90.0%	28	93	4.94
2024	SEA	MiLB	9.82	8.59	1.14	0.00	25.8%	22.6%	3.2%	.125	1.36	.188	90.0%	24	85	4.47
2024	SEA	MLB	7.36	1.23	6.00	0.00	19.4%	3.2%	16.1%	.241	1.09	.304	55.6%	130	59	2.35
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	7.94	3.18	2.50	0.00	19.2%	7.7%	11.5%	.261	1.41	.333	77.8%	31	72	3.56
2025	FGDC	PROJ	9.63	2.93	3.29	0.57	25.3%	7.7%	17.6%	.228	1.20	.300	76.1%			3.01
2025	Steamer	PROJ	9.42	3.32	2.84	0.83	25.0%	8.8%	16.2%	.231	1.24	.296	74.6%			3.52
2025	ZiPS	PROJ	9.84	2.54	3.88	0.32	25.6%	6.6%	19.0%	.225	1.16	.304	77.5%			2.50
2025	ZiPS DC	PROJ	9.84	2.54	3.88	0.32	25.6%	6.6%	19.0%	.225	1.16	.304	77.5%			2.50
2025	ATC	PROJ	8.97	3.05	2.94	0.66	23.7%	8.1%	15.7%	.235	1.23	.300	73.3%			3.32
2025	THE BAT	PROJ	8.16	2.92	2.79	0.71	21.7%	7.8%	13.9%	.233	1.21	.286	71.9%			3.51
2025	OOPSY	PROJ	9.31	3.31	2.81	0.71	24.4%	8.7%	15.7%	.220	1.21	.280	75.9%			3.37
2025	SEA	MLB	0.00	10.29	0.00	0.00	0.0%	22.2%	-22.2%	.286	2.29	.286	62.5%	139	168	6.46
2025			8.54	3.47	2.46	1.08	22.4%	9.1%	13.3%	.236	1.28	.284	72.5%			4.15
2025	FGDC	ROS	8.88	3.52	2.52	0.56	23.1%	9.2%	14.0%	.240	1.31	.309	74.4%			3.20
2025	Steamer	ROS	8.65	3.84	2.26	0.83	22.5%	10.0%	12.5%	.238	1.33	.296	74.1%			3.72
2025	ZiPS	ROS	9.11	3.21	2.84	0.29	23.7%	8.4%	15.4%	.243	1.29	.322	74.6%			2.69
2025	ZiPS DC	ROS	9.11	3.21	2.84	0.29	23.7%	8.4%	15.4%	.243	1.29	.322	74.6%			2.69
2025	ATC DC	ROS	8.97	3.05	2.94	0.66	23.7%	8.1%	15.7%	.235	1.23	.300	73.3%			3.18
2025	THE BAT	ROS	6.25	3.24	1.93	0.80	16.2%	8.4%	7.8%	.252	1.33	.287	69.0%			4.03
2025	OOPSY	ROS	8.34	3.54	2.36	0.72	22.2%	9.4%	12.8%	.228	1.24	.283	73.1%			3.53
Total	- - -	MLB	8.03	3.23	2.48	0.52	19.9%	8.0%	11.9%	.264	1.42	.326	67.2%	101	83	3.48

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
2016	BOS	R	5.49	5.71	0.96	0.22	13.3%	13.8%	-0.5%	.256	1.61	.300	63.7%	126	131	4.55
2017	BOS	R	7.12	4.45	1.60	0.00	19.5%	12.2%	7.3%	.206	1.22	.265	84.2%	24	88	3.26
2017	SFG	R	8.20	2.41	3.40	0.96	20.5%	6.0%	14.5%	.269	1.39	.322	90.5%	51	98	3.64
2017	---	MiLB	7.53	3.67	2.05	0.37	19.9%	9.7%	10.2%	.232	1.29	.289	86.6%	34	92	3.41
2018	SFG	A-	8.34	2.72	3.07	0.54	20.3%	6.6%	13.7%	.303	1.59	.377	60.7%	105	83	3.45
2019	SFG	A	6.75	2.34	2.89	1.04	18.2%	6.3%	11.9%	.254	1.24	.288	72.2%	79	116	4.27
2021	SFG	AAA	8.62	5.17	1.67	0.57	20.5%	12.3%	8.2%	.262	1.60	.333	71.4%	105	98	5.15
2021	SFG	ST	0.00	18.00	0.00	0.00	0.0%	25.0%	-25.0%	.500	5.00	.500	20.0%	758	209	9.58
2021	SFG	MLB	13.50	9.00	1.50	13.50	23.1%	15.4%	7.7%	.455	3.50	.400	35.7%	557	563	22.67
2021			8.90	3.34	2.67	1.26	23.2%	8.7%	14.5%	.241	1.30	.290	72.1%			4.30
2022	SFG	CPX	13.50	0.00	3.00	0.00	37.5%	0.0%	37.5%	.250	1.00	.400	100.0%	0	27	1.24
2022	SFG	AAA	9.27	5.45	1.70	1.09	23.0%	13.5%	9.5%	.232	1.48	.287	64.7%	102	106	5.46
2022	SFG	MiLB	9.51	5.14	1.85	1.03	23.7%	12.8%	10.9%	.233	1.46	.293	66.1%	96	102	5.22
2022	SFG	MLB	4.91	7.36	0.67	0.00	11.8%	17.6%	-5.9%	.214	1.64	.250	66.7%	124	116	4.48
2022			8.53	3.10	2.75	1.09	22.4%	8.2%	14.3%	.240	1.27	.289	72.6%			4.06
2023	CHW	ST	7.71	1.93	4.00	0.00	21.1%	5.3%	15.8%	.229	1.07	.296	72.7%	40	60	3.06
2023	CHW	MLB	8.95	2.31	3.88	0.27	22.8%	5.9%	17.0%	.258	1.30	.337	70.3%	79	60	2.65
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	A+	9.00	0.00	1.00	0.00	33.3%	0.0%	33.3%	.000	0.00	.000	100.0%	0	36	1.53
2024	SEA	AAA	9.95	9.95	1.00	0.00	25.0%	25.0%	0.0%	.143	1.58	.214	90.0%	28	93	4.94
2024	SEA	MiLB	9.82	8.59	1.14	0.00	25.8%	22.6%	3.2%	.125	1.36	.188	90.0%	24	85	4.47
2024	SEA	MLB	7.36	1.23	6.00	0.00	19.4%	3.2%	16.1%	.241	1.09	.304	55.6%	130	59	2.35
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	7.94	3.18	2.50	0.00	19.2%	7.7%	11.5%	.261	1.41	.333	77.8%	31	72	3.56
2025	FGDC	PROJ	9.63	2.93	3.29	0.57	25.3%	7.7%	17.6%	.228	1.20	.300	76.1%			3.01
2025	Steamer	PROJ	9.42	3.32	2.84	0.83	25.0%	8.8%	16.2%	.231	1.24	.296	74.6%			3.52
2025	ZiPS	PROJ	9.84	2.54	3.88	0.32	25.6%	6.6%	19.0%	.225	1.16	.304	77.5%			2.50
2025	ZiPS DC	PROJ	9.84	2.54	3.88	0.32	25.6%	6.6%	19.0%	.225	1.16	.304	77.5%			2.50
2025	ATC	PROJ	8.97	3.05	2.94	0.66	23.7%	8.1%	15.7%	.235	1.23	.300	73.3%			3.32
2025	THE BAT	PROJ	8.16	2.92	2.79	0.71	21.7%	7.8%	13.9%	.233	1.21	.286	71.9%			3.51
2025	OOPSY	PROJ	9.31	3.31	2.81	0.71	24.4%	8.7%	15.7%	.220	1.21	.280	75.9%			3.37
2025	SEA	MLB	0.00	10.29	0.00	0.00	0.0%	22.2%	-22.2%	.286	2.29	.286	62.5%	139	168	6.46
2025			8.54	3.47	2.46	1.08	22.4%	9.1%	13.3%	.236	1.28	.284	72.5%			4.15
2025	FGDC	ROS	8.88	3.52	2.52	0.56	23.1%	9.2%	14.0%	.240	1.31	.309	74.4%			3.20
2025	Steamer	ROS	8.65	3.84	2.26	0.83	22.5%	10.0%	12.5%	.238	1.33	.296	74.1%			3.72
2025	ZiPS	ROS	9.11	3.21	2.84	0.29	23.7%	8.4%	15.4%	.243	1.29	.322	74.6%			2.69
2025	ZiPS DC	ROS	9.11	3.21	2.84	0.29	23.7%	8.4%	15.4%	.243	1.29	.322	74.6%			2.69
2025	ATC DC	ROS	8.97	3.05	2.94	0.66	23.7%	8.1%	15.7%	.235	1.23	.300	73.3%			3.18
2025	THE BAT	ROS	6.25	3.24	1.93	0.80	16.2%	8.4%	7.8%	.252	1.33	.287	69.0%			4.03
2025	OOPSY	ROS	8.34	3.54	2.36	0.72	22.2%	9.4%	12.8%	.228	1.24	.283	73.1%			3.53
Total	- - -	MLB	8.03	3.23	2.48	0.52	19.9%	8.0%	11.9%	.264	1.42	.326	67.2%	101	83	3.48

Preseason 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
2021	SFG	MLB	8	101.0	110.6	20.6	3	37.5%	6	75.0%	22.50	18.23
2022	SFG	MLB	12	87.2	107.6	-1.5	0	0.0%	4	33.3%	4.91	3.19
2023	CHW	MLB	201	88.9	111.2	2.9	2	1.0%	70	34.8%	3.39	3.14
2024	SEA	AAA	14	93.4	103.1	-8.8			9	64.3%	1.42
2024	SEA	MLB	23	85.7	105.6	6.4	1	4.3%	8	34.8%	4.91	3.01
2025	SEA	MLB	28	89.6	107.4	6.3	2	7.1%	11	39.3%	5.14	6.08
Total	- - -	MLB	272	89.0	111.2	3.8	8	2.9%	99	36.4%	4.17

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
2021	SFG	MLB	8	101.0	110.6	20.6	3	37.5%	6	75.0%	22.50	18.23
2022	SFG	MLB	12	87.2	107.6	-1.5	0	0.0%	4	33.3%	4.91	3.19
2023	CHW	MLB	201	88.9	111.2	2.9	2	1.0%	70	34.8%	3.39	3.14
2024	SEA	AAA	14	93.4	103.1	-8.8			9	64.3%	1.42
2024	SEA	MLB	23	85.7	105.6	6.4	1	4.3%	8	34.8%	4.91	3.01
2025	SEA	MLB	28	89.6	107.4	6.3	2	7.1%	11	39.3%	5.14	6.08
Total	- - -	MLB	272	89.0	111.2	3.8	8	2.9%	99	36.4%	4.17

Gregory Santos

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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