Jo Oyama

#2 2B · B/T: L/R · 5' 6", 165 lb · Age 25 · Naha, Japan · Draft: 2024 · ACL Mariners (Seattle Mariners)

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Career Graph

Season	Team	G	PA	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	BB%	K%	AVG	OBP	SLG	OPS
Double-A (AA)
2025	ARK	1	5	4	1	2	0	0	0	0	1	0	1	0.0%	20.0%	.500	.600	.500	1.100
AA Total		1	5	4	1	2	0	0	0	0	1	0	1	0.0%	20.0%	.500	.600	.500	1.100
High-A (A+)
2026	EVE	3	15	9	6	3	0	2	0	2	1	5	2	33.3%	13.3%	.333	.600	.778	1.378
A+ Total		3	15	9	6	3	0	2	0	2	1	5	2	33.3%	13.3%	.333	.600	.778	1.378
Single-A (A)
2026	IE	14	30	26	2	1	0	0	0	0	0	3	9	10.0%	30.0%	.038	.167	.038	.205
A Total		14	30	26	2	1	0	0	0	0	0	3	9	10.0%	30.0%	.038	.167	.038	.205
Rookie (Rk)
2025	A-MRN	2	10	8	2	5	1	0	0	2	0	1	0	10.0%	0.0%	.625	.600	.750	1.350
2026	A-MRN	15	37	30	8	9	4	2	0	3	0	4	9	10.8%	24.3%	.300	.432	.567	.999
Rk Total		17	47	38	10	14	5	2	0	5	0	5	9	10.6%	19.1%	.368	.468	.605	1.073
Minors Total		35	97	77	19	20	5	4	0	7	2	13	21	13.4%	21.6%	.260	.402	.429	.831

Season	Team	W	L	SV	G	GS	IP	IP/G	SO	K/9	BB/9	ERA
Rookie (Rk)
2026	A-MRN	0	1	0	1	0	0.1	0.3	0	0.0	54.0	0.00
Rk Total		0	1	0	1	0	0.1	0.3	0	0.0	54.0	0.00

Season	Team	Pos	G	Inn	PO	A	E	FPCT
Double-A (AA)
2025	ARK	2B	1	9.0	2	6	1	.889
AA Total		—	1	9.0	2	6	1	.889
High-A (A+)
2026	EVE	2B	3	26.0	4	16	0	1.000
A+ Total		—	3	26.0	4	16	0	1.000
Single-A (A)
2026	IE	2B	9	65.0	8	16	0	1.000
2026	IE	3B	2	10.0	1	1	1	.667
A Total		—	11	75.0	9	17	1	.963
Rookie (Rk)
2025	A-MRN	2B	1	9.0	0	2	0	1.000
2025	A-MRN	SS	1	9.0	0	6	0	1.000
2026	A-MRN	2B	11	67.1	12	15	0	1.000
2026	A-MRN	SS	1	2.0	0	1	0	1.000
2026	A-MRN	3B	2	3.0	0	1	1	.500
2026	A-MRN	P	1	0.1	0	0	1	.000
2026	A-MRN	DH	1	0.0	0	0	0	.000
Rk Total		—	18	90.2	12	25	2	.949
Minors Total		—	33	200.2	27	64	4	.958