Batting

Grant Jay

Seattle Mariners (A)

C

Age: 23

Bats/Throws: R/R

6'0" / 225

DOB: 9/23/2003

(23 years, 1 day)

C

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In-Season ProjectionsMinor LeaguesCollege

Season	Team	Level	Age	G	PA	HR	R	RBI	SB	divider	BB%	K%	ISO	BABIP	divider	AVG	OBP	SLG	wOBA	xwOBA	wRC+	divider	BsR	divider	Off	Def	WAR
2023	DBU	NCAA	19	58	238	21	57	62	8		15.1%	30.3%	.436	.394		.319	.445	.755	.493		168
2024	DBU	NCAA	20	60	261	21	50	57	7		13.0%	31.4%	.352	.377		.300	.414	.653	.450		143
2025	DBU	NCAA	21	59	277	19	73	59	14		14.8%	25.6%	.345	.366		.309	.437	.655	.468		147
2026	SEA	A	22	78	327	12	42	41	8		12.5%	37.0%	.210	.350		.225	.358	.434	.362		102
2026	Steamer	ROS	22	0	1	0	0	0	0		5.2%	44.4%	.081	.223		.133	.190	.213	.185		18		0.0		-0.1	0.0	0.0

Season	Team	Level	Age	G	PA	HR	R	RBI	SB	divider	BB%	K%	ISO	BABIP	divider	AVG	OBP	SLG	wOBA	xwOBA	wRC+	divider	BsR	divider	Off	Def	WAR
2023	DBU	NCAA	19	58	238	21	57	62	8		15.1%	30.3%	.436	.394		.319	.445	.755	.493		168
2024	DBU	NCAA	20	60	261	21	50	57	7		13.0%	31.4%	.352	.377		.300	.414	.653	.450		143
2025	DBU	NCAA	21	59	277	19	73	59	14		14.8%	25.6%	.345	.366		.309	.437	.655	.468		147
2026	SEA	A	22	78	327	12	42	41	8		12.5%	37.0%	.210	.350		.225	.358	.434	.362		102
2026	Steamer	ROS	22	0	1	0	0	0	0		5.2%	44.4%	.081	.223		.133	.190	.213	.185		18		0.0		-0.1	0.0	0.0

In-Season ProjectionsMinor LeaguesCollege

Season	Team	Level	G	AB	PA	H	1B	2B	3B	HR	R	RBI	BB	IBB	SO	HBP	SF	SH	GDP	SB	CS	AVG
2023	DBU	NCAA	58	188	238	60	21	17	1	21	57	62	36		72	10	4	0	0	8	1	.319
2024	DBU	NCAA	60	213	261	64	31	12	0	21	50	57	34		82	10	4	0	0	7	1	.300
2025	DBU	NCAA	59	220	277	68	31	17	1	19	73	59	41		71	12	4	0	4	14	1	.309
2026	SEA	A	78	267	327	60	31	14	3	12	42	41	41	0	121	16	3	0	2	8	2	.225
2026	Steamer	ROS	0	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0		0	0	.133

Season	Team	Level	G	AB	PA	H	1B	2B	3B	HR	R	RBI	BB	IBB	SO	HBP	SF	SH	GDP	SB	CS	AVG
2023	DBU	NCAA	58	188	238	60	21	17	1	21	57	62	36		72	10	4	0	0	8	1	.319
2024	DBU	NCAA	60	213	261	64	31	12	0	21	50	57	34		82	10	4	0	0	7	1	.300
2025	DBU	NCAA	59	220	277	68	31	17	1	19	73	59	41		71	12	4	0	4	14	1	.309
2026	SEA	A	78	267	327	60	31	14	3	12	42	41	41	0	121	16	3	0	2	8	2	.225
2026	Steamer	ROS	0	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0		0	0	.133

In-Season ProjectionsMinor LeaguesAveragesCollege

Season	Team	Level	BB%	K%	BB/K	divider	AVG	OBP	SLG	OPS	divider	ISO	Spd	BABIP	divider	UBR	wGDP	XBR	wSB	divider	wRC	wRAA	wOBA	wRC+
2023	DBU	NCAA	15.1%	30.3%	0.50		.319	.445	.755	1.201		.436	7.2	.394					0.8		65	26.5	.493	168
2024	DBU	NCAA	13.0%	31.4%	0.41		.300	.414	.653	1.066		.352	4.7	.377					0.7		61	18.1	.450	143
2025	DBU	NCAA	14.8%	25.6%	0.58		.309	.437	.655	1.091		.345	7.3	.366					1.8		69	22.0	.468	147
2026	SEA	A	12.5%	37.0%	0.34		.225	.358	.434	.792		.210	6.8	.350					-0.2		51	1.0	.362	102
2026	Steamer	ROS	5.2%	44.4%	0.12		.133	.190	.213	.404		.081	3.8	.223		0.0			0.0		0	-0.1	.185	18

Season	Team	Level	BB%	K%	BB/K	divider	AVG	OBP	SLG	OPS	divider	ISO	Spd	BABIP	divider	UBR	wGDP	XBR	wSB	divider	wRC	wRAA	wOBA	wRC+
2023	DBU	NCAA	15.1%	30.3%	0.50		.319	.445	.755	1.201		.436	7.2	.394					0.8		65	26.5	.493	168
2024	DBU	NCAA	13.0%	31.4%	0.41		.300	.414	.653	1.066		.352	4.7	.377					0.7		61	18.1	.450	143
2025	DBU	NCAA	14.8%	25.6%	0.58		.309	.437	.655	1.091		.345	7.3	.366					1.8		69	22.0	.468	147
2026	SEA	A	12.5%	37.0%	0.34		.225	.358	.434	.792		.210	6.8	.350					-0.2		51	1.0	.362	102
2026	Steamer	ROS	5.2%	44.4%	0.12		.133	.190	.213	.404		.081	3.8	.223		0.0			0.0		0	-0.1	.185	18