Luis Castillo won the most games for the Mariners in 2023, with 13 wins.

Interpreted as:

most wins by a player on the mariners in 2023

	NAME	W	SEASON	TM	L	W%	G	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Luis Castillo L. Castillo	13	2023	SEA	9	.591	33	33	3.34	219	0	0	0	197.0	160	73	81	28	56	5	0	0	802	3	10.01	2.56	3.91	1.28	27.3	7.0	1.10	.267	3.70	83	3.80	93	7.31	6.6
2	George Kirby G. Kirby	12	2023	SEA	10	.545	31	31	3.35	172	1	0	0	190.2	179	71	74	22	19	6	0	1	757	1	8.12	0.90	9.05	1.04	22.7	2.5	1.04	.292	3.49	83	3.34	81	8.45	16.7
3	Logan Gilbert L. Gilbert	12	2023	SEA	7	.632	32	32	3.73	189	1	1	0	190.2	169	79	82	29	36	2	0	1	770	6	8.92	1.70	5.25	1.37	24.5	4.7	1.08	.272	3.87	93	3.84	94	7.98	5.6
4	Matt Brash M. Brash	9	2023	SEA	4	.692	78	0	3.06	107	0	0	4	70.2	65	24	26	3	29	6	7	0	308	11	13.63	3.69	3.69	0.38	34.7	9.4	1.33	.380	3.31	76	2.26	55	8.28	15
5	Bryce Miller B. Miller	8	2023	SEA	7	.533	25	25	4.32	119	0	0	0	131.1	124	63	64	18	26	7	0	0	537	2	8.15	1.78	4.58	1.23	22.2	4.8	1.14	.289	4.39	107	3.98	97	8.50	1.8
6	Justin Topa J. Topa	5	2023	SEA	4	.556	75	0	2.61	61	0	0	3	69.0	61	20	26	4	18	3	14	4	279	0	7.96	2.35	3.39	0.52	21.9	6.5	1.14	.295	3.39	65	3.15	77	7.96	7.6
7	Marco Gonzales M. Gonzales	4	2023	SEA	1	.800	10	10	5.22	34	0	0	0	50.0	55	29	32	5	18	0	0	0	215	0	6.12	3.24	1.89	0.90	15.8	8.4	1.46	.316	5.76	130	4.27	104	9.90	-1
8	Isaiah Campbell I. Campbell	4	2023	SEA	1	.800	27	0	2.83	33	0	0	1	28.2	22	9	9	2	13	1	9	1	120	2	10.36	4.08	2.54	0.63	27.5	10.8	1.22	.282	2.83	70	3.32	81	6.91	2.6
9	Paul Sewald P. Sewald	3	2023	SEA	1	.750	45	0	2.93	60	0	0	20	43.0	30	14	15	5	14	0	31	1	169	1	12.56	2.93	4.29	1.05	35.5	8.3	1.02	.278	3.14	73	2.95	72	6.28	5.7
10	Tayler Saucedo T. Saucedo	3	2023	SEA	2	.600	52	0	3.59	43	0	0	1	47.2	41	19	20	2	23	6	17	1	207	1	8.12	4.34	1.87	0.38	20.8	11.1	1.34	.293	3.78	89	3.82	93	7.74	1.5
11	Andrés Muñoz A. Muñoz	3	2023	SEA	7	.300	52	0	2.94	67	0	0	13	49.0	40	16	20	2	22	5	21	3	211	4	12.31	4.04	3.05	0.37	31.8	10.4	1.27	.330	3.67	73	2.70	66	7.35	7.9
12	Gabe Speier G. Speier	2	2023	SEA	2	.500	69	0	3.79	64	0	0	1	54.2	47	23	24	7	11	3	8	4	216	2	10.54	1.81	5.82	1.15	29.6	5.1	1.06	.305	3.95	94	3.34	81	7.74	4.8
13	Bryan Woo B. Woo	2	2023	SEA	5	.286	18	18	4.21	93	0	0	0	87.2	75	41	44	13	31	7	0	1	371	1	9.55	3.18	3.00	1.33	25.1	8.4	1.21	.273	4.52	105	4.36	106	7.70	-2.7
14	Trent Thornton T. Thornton	1	2023	SEA	2	.333	23	1	2.08	21	0	0	0	26.0	23	6	11	5	5	0	6	0	103	0	7.27	1.73	4.20	1.73	20.4	4.9	1.08	.250	3.81	52	4.71	115	7.96	-1.9
15	Penn Murfee P. Murfee	1	2023	SEA	2	.333	16	0	1.29	16	0	0	0	14.0	5	2	5	1	10	1	3	3	58	0	10.29	6.43	1.60	0.64	27.6	17.2	1.07	.133	3.21	32	4.25	103	3.21	-0.3