most wins in one season by a mariners pitcher since 2000

Since 2000, Jamie Moyer has won the most games for the Mariners in a season, with 21 wins in 2003.

	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	Jamie Moyer J. Moyer	21	2003	SEA	7	.750	33	33	3.27	129	1	0	0	215.0	199	78	83	19	66	8	0	3	897	0	5.40	2.76	1.95	0.80	14.4	7.4	1.23	.267	3.47	76	4.01	92	8.33	8.7
2	Jamie Moyer J. Moyer	20	2001	SEA	6	.769	33	33	3.43	119	1	0	0	209.2	187	80	84	24	44	10	0	4	851	1	5.11	1.89	2.70	1.03	14.0	5.2	1.10	.249	3.61	80	4.17	96	8.03	3.8
3	Felix Hernandez F. Hernandez	19	2009	SEA	5	.792	34	34	2.49	217	2	1	0	238.2	200	66	81	15	71	8	0	0	977	17	8.18	2.68	3.06	0.57	22.2	7.3	1.14	.278	3.05	58	3.08	71	7.54	33.4
4	Felix Hernandez F. Hernandez	18	2015	SEA	9	.667	31	31	3.53	191	2	2	0	201.2	180	79	80	23	58	9	0	0	826	10	8.52	2.59	3.29	1.03	23.1	7.0	1.18	.288	3.57	92	3.71	94	8.03	5.4
5	Freddy Garcia F. Garcia	18	2001	SEA	6	.750	34	34	3.05	163	4	3	0	238.2	199	81	88	16	69	5	0	6	971	3	6.15	2.60	2.36	0.60	16.8	7.1	1.12	.255	3.32	71	3.48	80	7.50	23
6	Paul Abbott P. Abbott	17	2001	SEA	4	.810	28	27	4.25	118	1	0	0	163.0	145	77	79	21	87	7	0	5	710	11	6.52	4.80	1.36	1.16	16.6	12.3	1.42	.260	4.36	99	5.00	115	8.01	-12.4
7	Aaron Sele A. Sele	17	2000	SEA	10	.630	34	34	4.51	137	2	2	0	211.2	221	106	110	17	74	5	0	7	908	5	5.83	3.15	1.85	0.72	15.1	8.1	1.39	.302	4.68	96	3.99	85	9.40	17.4
8	Marco Gonzales M. Gonzales	16	2019	SEA	13	.552	34	34	3.99	147	0	0	0	203.0	210	90	106	23	56	6	0	1	866	2	6.52	2.48	2.63	1.02	17.0	6.5	1.31	.295	4.70	90	4.14	93	9.31	7.4
9	Hisashi Iwakuma H. Iwakuma	16	2016	SEA	12	.571	33	33	4.12	147	0	0	0	199.0	218	91	95	28	46	5	0	3	836	4	6.65	2.08	3.20	1.27	17.6	5.5	1.33	.311	4.30	103	4.26	102	9.86	-2.5
10	Miguel Batista M. Batista	16	2007	SEA	11	.593	33	32	4.29	133	0	0	0	193.0	209	92	101	18	85	8	0	3	860	15	6.20	3.96	1.56	0.84	15.5	9.9	1.52	.310	4.71	98	4.51	104	9.75	-3.8
11	Joel Pineiro J. Pineiro	16	2003	SEA	11	.593	32	32	3.78	151	3	2	0	211.2	192	89	94	19	76	6	0	3	890	5	6.42	3.23	1.99	0.81	17.0	8.5	1.27	.271	4.00	88	3.93	90	8.16	10.5
12	Freddy Garcia F. Garcia	16	2002	SEA	10	.615	34	34	4.39	181	1	0	0	223.2	227	109	110	30	63	6	0	3	955	7	7.28	2.54	2.87	1.21	19.0	6.6	1.30	.292	4.43	105	4.00	94	9.13	6.6
13	Felix Hernandez F. Hernandez	15	2014	SEA	6	.714	34	34	2.14	248	0	0	0	236.0	170	56	68	16	46	5	0	1	912	18	9.46	1.75	5.39	0.61	27.2	5.0	0.92	.258	2.59	58	2.56	69	6.48	30.7
14	Hisashi Iwakuma H. Iwakuma	15	2014	SEA	9	.625	28	28	3.52	154	0	0	0	179.0	167	70	70	20	21	2	0	2	709	2	7.74	1.06	7.33	1.01	21.7	3.0	1.05	.287	3.52	96	3.25	87	8.40	9.3
15	Gil Meche G. Meche	15	2003	SEA	13	.536	32	32	4.59	130	1	0	0	186.1	187	95	97	30	63	3	0	2	785	7	6.28	3.04	2.06	1.45	16.6	8.0	1.34	.281	4.69	107	4.78	109	9.03	-8.9
16	Aaron Sele A. Sele	15	2001	SEA	5	.750	34	33	3.60	114	2	1	0	215.0	216	86	93	25	51	7	0	2	899	1	4.77	2.13	2.24	1.05	12.7	5.7	1.24	.272	3.89	84	4.30	99	9.04	0.6
17	George Kirby G. Kirby	14	2024	SEA	11	.560	33	33	3.53	179	0	0	0	191.0	181	75	82	22	23	7	0	0	778	5	8.43	1.08	7.78	1.04	23.0	3.0	1.07	.291	3.86	94	3.25	83	8.53	14.5
18	Chris Flexen C. Flexen	14	2021	SEA	6	.700	31	31	3.61	125	0	0	0	179.2	185	72	74	19	40	4	0	0	741	2	6.26	2.00	3.13	0.95	16.9	5.4	1.25	.300	3.71	87	3.88	94	9.27	5.3
19	Hisashi Iwakuma H. Iwakuma	14	2013	SEA	6	.700	33	33	2.66	185	0	0	0	219.2	179	65	69	25	42	2	0	4	866	10	7.58	1.72	4.40	1.02	21.4	4.8	1.01	.252	2.83	70	3.44	89	7.33	10.9
20	Jason Vargas J. Vargas	14	2012	SEA	11	.560	33	33	3.85	141	2	0	0	217.1	201	93	94	35	55	3	0	1	887	5	5.84	2.28	2.56	1.45	15.9	6.2	1.18	.254	3.89	100	4.68	117	8.32	-17.2
21	Felix Hernandez F. Hernandez	14	2011	SEA	14	.500	33	33	3.47	222	5	0	0	233.2	218	90	99	19	67	7	0	0	964	12	8.55	2.58	3.31	0.73	23.0	7.0	1.22	.307	3.81	90	3.13	80	8.40	20.9
22	Felix Hernandez F. Hernandez	14	2007	SEA	7	.667	30	30	3.92	165	1	1	0	190.1	209	83	88	20	53	3	0	4	808	7	7.80	2.51	3.11	0.95	20.4	6.6	1.38	.333	4.16	90	3.74	86	9.88	12.8
23	Joel Pineiro J. Pineiro	14	2002	SEA	7	.667	37	28	3.24	136	2	1	0	194.1	189	70	75	24	54	7	4	1	812	8	6.30	2.50	2.52	1.11	16.7	6.7	1.25	.279	3.47	77	4.10	96	8.75	3.6
24	John Halama J. Halama	14	2000	SEA	9	.609	30	30	5.08	87	1	1	0	166.2	206	94	108	19	56	2	0	0	736	4	4.70	3.02	1.55	1.03	11.8	7.6	1.57	.327	5.83	108	4.61	97	11.12	2.1
25	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