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Ryan Loutos

Position: Relief Pitcher

Bats: Right • Throws: Right

6-5, 240lb (196cm, 108kg)

Team: Seattle Mariners (minors)

Born: January 29, 1999 in Elk Grove Village, IL us

School: Washington University in St. Louis (St. Louis, MO)

Rookie Status: Still Intact through 2026

2026 Contract Status: Pre-Arb Eligible

Service Time (01/2026): 0.057 • Arb Eligible: 2029 • Free Agent: 2032

Full Name: Ryan William Loutos

Pronunciation: \loo-tus\

View Player Info from the B-R Bullpen

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SUMMARY

Career

WAR

-0.9

ERA

10.67

14.1

WHIP

2.163

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Year	Age	AgeDif	Tm	Lg	Lev	Aff	W	L	W-L%	ERA	RA9	G	GS	GF	CG	SHO	SV	IP	H	R	ER	HR	BB	IBB	SO	HBP	BK	WP	BF	WHIP	H9	HR9	BB9	SO9	SO/W
2018	19	-1.3	Washington (MO)	UAA	NCAA		5	3	.625	2.83	4.24	10	9		0	0	1	57.1	46	27	18	0	12	0	75	4	0	0	240	1.012	7.2	0.0	1.9	11.8	6.25
2019	20	-0.9	Washington (MO)	UAA	NCAA		2	1	.667	1.77	2.41	12	12		2	2	0	71.0	55	19	14	2	16	1	92	4	3	2	289	1.000	7.0	0.3	2.0	11.7	5.75
2020	21	0.5	Washington (MO)	UAA	NCAA		0	0		1.29	1.29	2	2		0		0	7.0	3	1	1	0	4	0	4	2	0	0	28	1.000	3.9	0.0	5.1	5.1	1.00
2020	21	0.6	Fond du Lac	NWDS	Smr		3	0	1.000	6.75	8.10	8	4		0	0	0	20.0	20	18	15	0	16	1	19	3	0	5	97	1.800	9.0	0.0	7.2	8.6	1.19
2021	22	1.0	Washington (MO)	UAA	NCAA		11	1	.917	1.33	1.81	14	13		4	0	1	94.2	66	19	14	2	12	1	116	5	0	4	359	0.824	6.3	0.2	1.1	11.0	9.67
2021	22	1.4	Fond du Lac	NWDS	Smr		1	0	1.000	2.12	4.24	3	3		0	0	0	17.0	16	8	4	0	6	0	9	0	0	0	74	1.294	8.5	0.0	3.2	4.8	1.50
2021	22	0.1	Palm Beach	LASE	A	STL	1	2	.333	5.56	5.96	12	1	4	0	0	0	22.2	28	15	14	0	6	0	26	2	0	1	105	1.500	11.1	0.0	2.4	10.3	4.33
2022	23		3 Teams	3 Lgs	AAA-AA-A+	STL	3	6	.333	3.96	4.52	46	2	28	0	0	9	63.2	69	32	28	5	25	1	72	3	0	9	277	1.476	9.8	0.7	3.5	10.2	2.88
2022	23	-4.0	Memphis	IL	AAA	STL	0	3	.000	6.33	6.67	22	2	8	0	0	2	27.0	44	20	19	4	12	1	29	1	0	3	131	2.074	14.7	1.3	4.0	9.7	2.42
2022	23	-1.5	Springfield	TL	AA	STL	1	1	.500	1.61	2.01	15	0	11	0	0	3	22.1	14	5	4	0	10	0	26	1	0	3	91	1.075	5.6	0.0	4.0	10.5	2.60
2022	23	-0.1	Peoria	MIDW	A+	STL	2	2	.500	3.14	4.40	9	0	9	0	0	4	14.1	11	7	5	1	3	0	17	1	0	3	55	0.977	6.9	0.6	1.9	10.7	5.67
2022	23	-0.2	Salt River	AZFL	Fal		0	1	.000	2.57	2.57	9	0	2	0	0	0	14.0	10	4	4	0	4	0	13	0	1	0	54	1.000	6.4	0.0	2.6	8.4	3.25
2023	24		2 Teams	2 Lgs	AAA-AA	STL	2	5	.286	6.53	6.90	50	0	12	0	0	1	73.0	98	56	53	7	41	1	84	3	0	3	352	1.904	12.1	0.9	5.1	10.4	2.05
2023	24	-2.9	Memphis	IL	AAA	STL	2	4	.333	6.40	6.78	48	0	10	0	0	1	71.2	97	54	51	7	39	0	83	2	0	3	344	1.898	12.2	0.9	4.9	10.4	2.13
2023	24	-0.6	Springfield	TL	AA	STL	0	1	.000	13.50	13.50	2	0	2	0	0	0	1.1	1	2	2	0	2	1	1	1	0	0	8	2.250	6.8	0.0	13.5	6.8	0.50
2024	25	-2.0	Memphis	IL	AAA	STL	3	1	.750	3.40	3.57	47	0	34	0	0	18	53.0	53	21	20	3	23	1	59	0	0	2	229	1.434	9.0	0.5	3.9	10.0	2.57
2024	25	-4.1	STL	NL	Maj	STL	0	0		0.00	0.00	3	0	3	0	0	0	2.1	2	0	0	0	1	0	0	0	0	0	10	1.286	7.7	0.0	3.9	0.0	0.00
2025	26		3 Teams	2 Lgs	AAA	STL-WSN	4	1	.800	3.50	3.92	38	0	25	0	0	6	43.2	36	19	17	5	19	0	42	0	0	1	184	1.260	7.4	1.0	3.9	8.7	2.21
2025	26		2 Teams	NL	Maj	LAD-WSN	1	0	1.000	12.75	15.75	12	0	5	0	0	0	12.0	20	21	17	4	8	0	8	2	0	0	68	2.333	15.0	3.0	6.0	6.0	1.00
2025	26	-1.1	Oklahoma City	PCL	AAA	LAD	0	0		1.69	1.69	7	0	3	0	0	1	10.2	5	2	2	0	4	0	9	0	0	0	40	0.844	4.2	0.0	3.4	7.6	2.25
2025	26	-1.3	Memphis	IL	AAA	STL	0	0		3.38	3.38	8	0	6	0	0	2	8.0	7	3	3	1	2	0	6	0	0	0	35	1.125	7.9	1.1	2.3	6.8	3.00
2025	26	-1.3	Rochester	IL	AAA	WSN	4	1	.800	4.32	5.04	23	0	16	0	0	3	25.0	24	14	12	4	13	0	27	0	0	1	109	1.480	8.6	1.4	4.7	9.7	2.08
2025	26	-3.1	LAD	NL	Maj	LAD	0	0		15.00	15.00	2	0	2	0	0	0	3.0	4	5	5	1	2	0	2	1	0	0	16	2.000	12.0	3.0	6.0	6.0	1.00
2025	26	-3.1	WSN	NL	Maj	WSN	1	0	1.000	12.00	16.00	10	0	3	0	0	0	9.0	16	16	12	3	6	0	6	1	0	0	52	2.444	16.0	3.0	6.0	6.0	1.00
Year	Age	AgeDif	Tm	Lg	Lev	Aff	W	L	W-L%	ERA	RA9	G	GS	GF	CG	SHO	SV	IP	H	R	ER	HR	BB	IBB	SO	HBP	BK	WP	BF	WHIP	H9	HR9	BB9	SO9	SO/W
Majors (2 seasons)					Majors		1	0	1.000	10.67	13.19	15	0	8	0	0	0	14.1	22	21	17	4	9	0	8	2	0	0	78	2.163	13.8	2.5	5.7	5.0	0.89
Minors (5 seasons)					Minors		13	15	.464	4.64	5.03	193	3	103	0	0	34	256.0	284	143	132	20	114	3	283	8	0	16	1147	1.555	10.0	0.7	4.0	9.9	2.48
College (4 seasons)					College		18	5	.783	1.84	2.58	38	36		6	2	2	230.0	170	66	47	4	44	2	287	15	3	6	916	0.930	6.7	0.2	1.7	11.2	6.52
Other (3 seasons)					Other		4	1	.800	4.06	5.29	20	7	2	0	0	0	51.0	46	30	23	0	26	1	41	3	1	5	225	1.412	8.1	0.0	4.6	7.2	1.58
All Levels (8 Seasons)							36	21	.632	3.57	4.24	266	46	113	6	2	36	551.1	522	260	219	28	193	6	619	28	4	27	2366	1.297	8.5	0.5	3.2	10.1	3.21

AAA (4 seasons)					Minors		9	9	.500	4.93	5.25	155	2	77	0	0	27	195.1	230	114	107	19	93	2	213	3	0	9	888	1.654	10.6	0.9	4.3	9.8	2.29
AA (2 seasons)					Minors		1	2	.333	2.28	2.66	17	0	13	0	0	3	23.2	15	7	6	0	12	1	27	2	0	3	99	1.141	5.7	0.0	4.6	10.3	2.25
A+ (1 season)					Minors		2	2	.500	3.14	4.40	9	0	9	0	0	4	14.1	11	7	5	1	3	0	17	1	0	3	55	0.977	6.9	0.6	1.9	10.7	5.67
A (1 season)					Minors		1	2	.333	5.56	5.96	12	1	4	0	0	0	22.2	28	15	14	0	6	0	26	2	0	1	105	1.500	11.1	0.0	2.4	10.3	4.33
Fal (1 season)					Other		0	1	.000	2.57	2.57	9	0	2	0	0	0	14.0	10	4	4	0	4	0	13	0	1	0	54	1.000	6.4	0.0	2.6	8.4	3.25
NCAA (4 seasons)					College		18	5	.783	1.84	2.58	38	36		6	2	2	230.0	170	66	47	4	44	2	287	15	3	6	916	0.930	6.7	0.2	1.7	11.2	6.52
NCAA (4 seasons)					College		18	5	.783	1.84	2.58	38	36		6	2	2	230.0	170	66	47	4	44	2	287	15	3	6	916	0.930	6.7	0.2	1.7	11.2	6.52
Smr (2 seasons)					Other		4	0	1.000	4.62	6.32	11	7		0	0	0	37.0	36	26	19	0	22	1	28	3	0	5	171	1.568	8.8	0.0	5.4	6.8	1.27