who had the most wins in one season as a pitcher in giants hostory since 1945

Since 1945, Juan Marichal has won the most games for the Giants in a season, with 26 wins in 1968.

	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	Juan Marichal J. Marichal	26	1968	SFG	9	.743	38	38	2.43	218	30	5	0	325.2	295	88	106	21	46	6	0	9	1,307	8	6.02	1.27	4.74	0.58	16.7	3.5	1.05	.270	2.93	83	2.36	85	8.15	14.6
2	Juan Marichal J. Marichal	25	1966	SFG	6	.806	37	36	2.23	222	25	4	0	307.1	228	76	88	32	36	5	1	3	1,180	3	6.50	1.05	6.17	0.94	18.8	3.1	0.86	.221	2.58	62	2.86	82	6.68	21.3
3	Juan Marichal J. Marichal	25	1963	SFG	8	.758	41	40	2.41	248	18	5	0	321.1	259	86	102	27	61	2	1	6	1,270	2	6.95	1.71	4.07	0.76	19.5	4.8	1.00	.249	2.86	73	2.62	80	7.25	23.3
4	Ron Bryant R. Bryant	24	1973	SFG	12	.667	41	39	3.53	143	8	0	0	270.0	240	106	125	23	115	9	1	12	1,165	8	4.77	3.83	1.24	0.77	12.3	9.9	1.31	.248	4.17	94	3.98	105	8.00	-5.3
5	Jack Sanford J. Sanford	24	1962	SFG	7	.774	39	38	3.43	147	13	2	0	265.1	233	101	110	23	92	3	1	4	1,100	4	4.99	3.12	1.60	0.78	13.4	8.4	1.22	.251	3.73	90	3.71	100	7.90	-0.1
6	Gaylord Perry G. Perry	23	1970	SFG	13	.639	41	41	3.20	214	23	5	0	328.2	292	117	138	27	84	8	0	8	1,336	11	5.86	2.30	2.55	0.74	16.0	6.3	1.14	.264	3.78	80	3.24	85	8.00	20.5
7	Larry Jansen L. Jansen	23	1951	NYG	11	.676	39	34	3.04	145	18	3	0	278.2	254	94	102	26	56	3	5		1,133	3	4.68	1.81	2.59	0.84	12.8	4.9	1.11	.252	3.29	77	3.29	81	8.20	23.8
8	Sal Maglie S. Maglie	23	1951	NYG	6	.793	42	37	2.93	146	22	3	4	298.0	254	97	110	27	86	6	5		1,210	4	4.41	2.60	1.70	0.82	12.1	7.1	1.14	.240	3.32	74	3.60	89	7.67	15
9	John Burkett J. Burkett	22	1993	SFG	7	.759	34	34	3.65	145	2	1	0	231.2	224	94	100	18	40	11	0	4	942	1	5.63	1.55	3.63	0.70	15.4	4.2	1.14	.283	3.88	95	3.40	85	8.70	15.8
10	Mike McCormick M. McCormick	22	1967	SFG	10	.688	40	35	2.85	150	14	5	0	262.1	220	83	88	25	81	5	3	18	1,073	9	5.15	2.78	1.85	0.86	14.0	7.5	1.15	.240	3.02	84	3.62	111	7.55	-10.5
11	Juan Marichal J. Marichal	22	1965	SFG	13	.629	39	37	2.13	240	24	10	1	295.1	224	70	78	27	46	4	2	4	1,153	2	7.31	1.40	5.22	0.82	20.8	4.0	0.91	.236	2.38	60	2.59	76	6.83	27.3
12	Bill Swift B. Swift	21	1993	SFG	8	.724	34	34	2.82	157	1	1	0	232.2	195	73	82	18	55	6	0	5	928	4	6.07	2.13	2.85	0.70	16.9	5.9	1.07	.256	3.17	74	3.42	85	7.54	15.2
13	Juan Marichal J. Marichal	21	1969	SFG	11	.656	37	36	2.10	205	27	8	0	299.2	244	70	90	15	54	6	1	7	1,176	5	6.16	1.62	3.80	0.45	17.4	4.6	0.99	.256	2.70	59	2.39	70	7.33	34.3
14	Gaylord Perry G. Perry	21	1966	SFG	8	.724	36	35	2.99	201	13	3	0	255.2	242	85	92	15	40	5	0	3	1,035	7	7.08	1.41	5.03	0.53	19.4	3.9	1.10	.293	3.24	83	2.27	65	8.52	34.5
15	Juan Marichal J. Marichal	21	1964	SFG	8	.724	33	33	2.48	206	22	4	0	269.0	241	74	89	18	52	1	0	8	1,089	4	6.89	1.74	3.96	0.60	18.9	4.8	1.09	.275	2.98	70	2.53	75	8.06	25.6
16	Sam Jones S. Jones	21	1959	SFG	15	.583	50	35	2.83	209	16	4	5	270.2	232	85	99	18	109	8	12	6	1,148	5	6.95	3.62	1.92	0.60	18.2	9.5	1.26	.266	3.29	73	3.16	83	7.71	19
17	Johnny Antonelli J. Antonelli	21	1954	NYG	7	.750	39	37	2.30	152	18	6	2	258.2	209	66	78	22	94	5	2		1,071	2	5.29	3.27	1.62	0.77	14.2	8.8	1.17	.234	2.71	57	3.48	87	7.27	15.4
18	Larry Jansen L. Jansen	21	1947	NYG	5	.808	42	30	3.16	104	20	1	1	248.0	241	87	102	22	57	1	5		985	2	3.77	2.07	1.82	0.80	10.6	5.8	1.20	.273	3.70	77	3.51	87	8.75	14.4
19	Mike Krukow M. Krukow	20	1986	SFG	9	.690	34	34	3.05	178	10	2	0	245.0	204	83	90	24	55	4	0	4	987	4	6.54	2.02	3.24	0.88	18.0	5.6	1.06	.248	3.31	85	3.30	89	7.49	10.9
20	Johnny Antonelli J. Antonelli	20	1956	NYG	13	.606	41	36	2.86	145	15	5	1	258.1	225	82	93	20	75	3	5	10	1,061	6	5.05	2.61	1.93	0.70	13.7	7.1	1.16	.251	3.24	76	3.16	81	7.84	21.5
21	Shawn Estes S. Estes	19	1997	SFG	5	.792	32	32	3.18	181	3	2	0	201.0	162	71	80	12	100	8	0	2	849	10	8.10	4.48	1.81	0.54	21.3	11.8	1.30	.274	3.58	79	3.69	88	7.25	11.3
22	Rick Reuschel R. Reuschel	19	1988	SFG	11	.633	36	36	3.12	92	7	2	0	245.0	242	85	88	11	42	6	0	8	1,000	4	3.38	1.54	2.19	0.40	9.2	4.2	1.16	.272	3.23	93	3.18	91	8.89	8.9
23	Gaylord Perry G. Perry	19	1969	SFG	14	.576	40	39	2.49	233	26	3	0	325.1	290	90	115	23	91	11	1	14	1,345	12	6.45	2.52	2.56	0.64	17.3	6.8	1.17	.271	3.18	70	2.93	86	8.02	17.4
24	Billy O'Dell B. O'Dell	19	1962	SFG	14	.576	43	39	3.53	195	20	2	0	280.2	282	110	126	18	66	7	1	1	1,178	4	6.25	2.12	2.95	0.58	16.6	5.6	1.24	.296	4.04	92	2.84	76	9.04	27.8
25	Johnny Antonelli J. Antonelli	19	1959	SFG	10	.655	40	38	3.10	165	17	4	1	282.0	247	97	107	29	76	3	1	6	1,150	1	5.27	2.43	2.17	0.93	14.3	6.6	1.15	.249	3.41	80	3.55	94	7.88	7.4